[
BARBERA, Oscar; BARRIO, Astrid (2016). Moderate regionalist parties in Spain: Convergència i Unió and Partido Nacionalista Vasco. In MAZZOLENI, Oscar; MUELLER, Sean (eds.). Regionalist Parties in Western Europe. 1st ed. London: Routledge, pp. 73-97. https://doi.org/10.4324/9781315604466.
]Search in Google Scholar
[
BARBERÀ, Oscar; CORREA, Patricia; RODRÍGUEZ-TERUEL, Juan; SANDRI, Giulia (eds.) (2021). Digital Parties: The challenges of online organisation and participation. Cham: Springer.
]Search in Google Scholar
[
BARRIO, Astrid (2014). Convergència i Unió, del nacionalismo moderado al secesionismo: cambio de posición de los partidos nacionalistas y sistema de gobierno multinivel. Working Papers 330: Institut de Ciències Polítiques i Socials. Pp. 3-20.
]Search in Google Scholar
[
BARTLETT, Lesley; VAVRUS, Frances (2017). Comparative case studies: An innovative approach. Nordic Journal of Comparative and International Education (NJCIE). Vol. 1, no. 1, pp. 5–17. https://doi.org/10.7577/njcie.1929.
]Search in Google Scholar
[
BENNET, Lance W.; SEGERBERG, Alexandra; KNÜPFER, Curd B. (2017). The democratic interface: technology, political organization, and diverging patterns of electoral representation. Information, Communication and Society. Vol. 21, no. 11, pp. 1655-1680. https://doi.org/10.1080/1369118X.2017.1348533.
]Search in Google Scholar
[
BOYD, Ovid P. (2008). Differences in eDemocracy parties’ eParticipation systems. Information Polity. Vol. 13, no. 3-4, pp. 167-188.
]Search in Google Scholar
[
CORREA, Patricia; BARBERÀ, Oscar; RODRÍGUEZ-TERUEL, Juan (2021a). What is new on party activism in Southern Europe? An introduction. Revista Internacional de Sociología. Vol. 79, no. 4.
]Search in Google Scholar
[
CORREA, Patricia; RODRÍGUEZ-TERUEL, Juan; BARBERÀ, Oscar (2021b). Farewell to the jack-of-all-trades activists? Clustering party activism in Spain. Revista Internacional de Sociología. Vol. 79, no. 4. https://doi.org/10.8939/ris.2021.79.4.m21.03.
]Search in Google Scholar
[
DEMKER, Marie; HEIDAR, Knut; KOSIARA-PEDERSEN, Karina (2020). Nordic Party Members: Linkages in Troubled Times. Lanham, MD: Rowman and Littlefield Publishers/ECPR Press.
]Search in Google Scholar
[
DESERIIS, Marco (2020). Two variants of the digital party: the platform party and the networked party. Partecipazione e Conflitto: The Open Journal of Sociopolitical Studies. Vol. 13, no. 1, pp. 896-917. https://doi.org/10.1285/i20356609v13i1p896.
]Search in Google Scholar
[
DESERIIS, Marco (2021). Reducing the burden of decision in digital democracy applications: a comparative analysis of six decision-making software. Science, Technology and Human Values. Vol. 48, no. 2, pp. 1–27. https://doi.org/10.1177/01622439211054081.
]Search in Google Scholar
[
DOMMET, Katharine; POWER, Sam (2020). From multi-speed to multi-stream? Recognising the motivations, processes and triggers behind party membership. The British Journal of Politics and International Relations. Vol. 22, no. 3, pp. 505-522. https://doi.org/10.1177/1369148120918852
]Search in Google Scholar
[
DOMMET, Katharine; TEMPLE, Luke; SAYD, Patrick (2020). Dynamics of intra-party organization in the digital age: a grassroots analysis of digital adoption. Parliamentary Affairs. Vol. 74, no. 2, pp. 378-397. https://doi.org/10.1093/pa/gsaa007.
]Search in Google Scholar
[
DUVERGER, Maurice (1954). Political Parties: Their Organization and Activity in the Modern State. London: Methuen.
]Search in Google Scholar
[
ELIAS, Anwen; MEES, Ludger (2017). Between accommodation and secession: Explaining the shifting territorial goals of nationalist parties in the Basque Country and Catalonia. Revista d’Estudis Autonòmics i Federals. No. 25, pp.129-165. https://doi.org/10.2436/20.8080.01.17.
]Search in Google Scholar
[
FITZPATRICK, Jasmin (2021). The five-pillar model of parties’ migration into the digital. In Barberà, Oscar; Correa, Patricia; Rodríguez-Teruel, Juan; Sandri, Giulia (eds.). Digital Parties: The challenges of online organisation and participation. Cham: Springer, pp. 23-42. https://doi.org/10.1007/978-3-030-78668-7.
]Search in Google Scholar
[
GALAIS, Carol;CARDENAL, Ana Sofía (2017). When David and Goliath campaign online: The effects of digital media use during electoral campaigns on vote for small parties. Journal of Information, Technology and Politics. Vol. 14, no. 4, pp. 372-386. https://doi.org/10.1080/19331681.2017.1367347.
]Search in Google Scholar
[
GERBAUDO, Paolo (2019). The Digital Party: Political Organisation and Online Democracy. London: Pluto Press. https://doi.org/10.2307/j.ctv86dg2g.
]Search in Google Scholar
[
GERBAUDO, Paolo (2021). Digital parties and their organisational challenges. Ephemera: Theory and Politics in Organization. Vol 21, no. 2, pp. 177-186.
]Search in Google Scholar
[
GIBSON, Rachel; WARD, Stephen (1999). Party Democracy on-Line: UK Parties and New ICTs. Information, Communication and Society. Vol. 2, no. 3, pp. 340-367. https://doi.org/10.1080/136911899359628.
]Search in Google Scholar
[
GIBSON, Rachel; GREFFET, Fabienne; CANTIJOCH, Marta (2017). Friend or Foe? Digital Technologies and the Changing Nature of Party Membership. Political Communication. Vol. 34, no. 1, pp. 89-111. https://doi.org/10.1080/10584609.2016.1221011.
]Search in Google Scholar
[
GÓMEZ, Raul; RAMIRO, Luis (2019). The limits of organizational innovation and multi-speed membership: Podemos and its new forms of party membership. Party Politics. Vol. 25, no. 4, pp. 534-546. https://doi.org/10.1177/1354068817742844.
]Search in Google Scholar
[
GUERRERO, Pablo (2023). Catalunya en Comú: ¿De la confluencia al partido? In BARBERÀ, Oscar; CORREA, Patricia (eds.). La Nueva Izquierda Autonómica en España. Madrid: CEPC, pp. 57-81.
]Search in Google Scholar
[
HEIDAR, Knut (1994). The Polyphormic Nature of Party Membership. European Journal of Political Research, 25(1), pp. 61–86. https://doi.org/10.1111/j.1475-6765.1994.tb01201.x.
]Search in Google Scholar
[
HOOGHE, Marc; KÖLLN, Ann-Kristin (2020). Types of party affiliation and the multi-speed party: What kind of party support is functionally equivalent to party membership? Party Politics. Vol. 26, no. 4, pp. 355-365. https://doi.org/10.1177/1354068818794220.
]Search in Google Scholar
[
ILLIA, Laura (2003). Passage to cyberactivism: how dynamics of activism change. Journal of Public Affairs. Vol. 3, no. 4, pp. 326-337. https://doi.org/10.1002/pa.161.
]Search in Google Scholar
[
KATZ, Richard. S. (2001). The problem of candidate selection and models of party democracy. Party Politics. Vol. 7, no. 3, pp. 277-296. https://doi.org/10.1177/1354068801007003002.
]Search in Google Scholar
[
MIKOLA, Bálint (2018). New Party Democracy and Intra-Party Organizations: A Comparative Analysis of Five Star Movement and Podemos. Ph.D. Thesis. Central European University: Hungary.
]Search in Google Scholar
[
MOMPÓ, Adrià; BARBERÀ, Oscar (2023). Party digitalisation in Europe: How EFA parties are coping with the digital transformation. Brussels: Coppieters Foundation.
]Search in Google Scholar
[
POLK, Jonathan; KÖLLN, Ann-Kristin (2018). Electoral infidelity: Why party members cast defecting votes. European Journal of Political Research. Vol. 57, no. 2, pp. 539-560. https://doi.org/10.1111/1475-6765.12238.
]Search in Google Scholar
[
PONCE, Aldo F.; SCARROW, Susan E. (2014). Which members? Using cross-national surveys to study party membership. Party Politics. Vol. 22, no. 6, pp. 679-690. https://doi.org/10.1177/1354068814550435.
]Search in Google Scholar
[
RANIOLO, Francesco; TARDITI, Valeria; VITTORI, Davide (2021). Political Parties and New ICTs: Between Tradition and Innovation. In BARBERÀ, Oscar; SANDRI, Giulia; CORREA, Patricia; RODRÍGUEZ-TERUEL, Juan (eds.). Digital Parties: The Challenges of Online Organisation and Participation. Cham: Springer, pp. 181-204.
]Search in Google Scholar
[
ROEMMELE, Andrea; GIBSON, Rachel (2020). Scientific and subversive: The two faces of the fourth era of political campaigning. New Media and Society. Vol. 22, no. 4, pp. 595-610. https://doi.org/10.1177/1461444819893979.
]Search in Google Scholar
[
SANDOVAL-ALMAZÁN, Rodrigo; GIL-GARCÍA, Ramon (2014). Towards cyber-activism 2.0? Understanding the use of social media and other information technologies for political activism and social movements. Government Information Quarterly. Vol. 31, no. 3, pp. 365-378. https://doi.org/10.1016/j.giq.2013.10.016.
]Search in Google Scholar
[
SARTORI, Giovanni (2005). Parties and Party Systems: A Framework for Analysis. ECPR Press.
]Search in Google Scholar
[
SCARROW, Susan E. (1996). Parties and Their Members: Organizing for Victory in Britain and Germany. Oxford: Oxford University Press. https://doi.org/10.1093/0198279183.001.0001.
]Search in Google Scholar
[
SCARROW, Susan E. (2014). Beyond Party Members: Changing Approaches to Partisan Mobilization. Oxford: Oxford University Press. https://doi.org/10.1093/acprof:oso/9780199661862.001.0001.
]Search in Google Scholar
[
SCHMITT-BECK, Rüdiger; FARRELL, David (1994). Studying political campaigns and their effects. In FARRELL, David M.; SCHMITT-BECK, Rüdiger (eds.). Do Political Campaigns Matter? Campaign Effects in Elections and Referendums. Abingdon, Oxon: Routledge, pp. 1–21.
]Search in Google Scholar
[
SETIEN, German; OLIVARES, Nicolás Miranda (2023). EH Bildu: La unificación de la izquierda nacionalista vasca. In BARBERÀ, Oscar; CORREA, Patricia (eds.). La Nueva Izquierda Autonómica en España. Madrid: CEPC, pp. 209–235.
]Search in Google Scholar
[
THUERMER, Gefion (2021). Is There Such a Thing as a Web-Native Party? Use and Role of Online Participation Tools in the Green and Pirate Parties in Germany. In BARBERÀ, Oscar; SANDRI, Giulia; CORREA, Patricia; RODRÍGUEZ-TERUEL, Juan (eds.). Digital Parties. Studies in Digital Politics and Governance. Cham: Springer, pp. 227-244. https://doi.org/10.1007/978-3-030-78668-7.
]Search in Google Scholar
[
VAN HAUTE, Émilie (2009). Adhérer à un parti. Aux sources de la participation politique. Brussels: Éditions de l’Université de Bruxelles.
]Search in Google Scholar
[
VAN HAUTE, Émilie; GAUJA, Anika (2015). Party Members and Activists. London: Routledge. VITTORI, Davide (2020). Membership and members’ participation in new digital parties: bring back the people? Comparative European Politics. Vol. 18, pp. 609-629. https://doi.org/10.1057/s41295-019-00201-5.
]Search in Google Scholar
[
WARD, Stephen; GIBSON, Rachel (2009). European political organizations and the internet: mobilization, participation, and change. In CHADWICK, Andrew; HOWARD, Philip N. (eds.). Routledge Handbook of Internet Politics. London & New York: Routledge, pp. 25-39.
]Search in Google Scholar
[
WHITELEY, Paul F.; SEYD, Patrick (1994). Local party campaigning and electoral mobilization in Britain. The Journal of Politics. Vol. 56, no. 1, pp. 242-252. https://doi.org/10.2307/2132356.
]Search in Google Scholar
[
WHITELEY, Paul F.; SEYD, Patrick (2002). High-intensity participation: the dynamics of party activism in Britain. University of Michigan Press.
]Search in Google Scholar
[
WHITELEY, Paul F. (2011). Is the Party over? The Decline of Party Activism and Membership across the Democratic World. Party Politics. Vol. 17, no. 1, pp. 21-44. https://doi.org/10.1177/1354068810365505.
]Search in Google Scholar