[
Bielecki, J., Maliszewska, A., and Matuszczak, K. (2022). Teachers and trainers in a changing world – Poland: Building up competences for inclusive, green and digitalised vocational education and training (VET). Cedefop ReferNet thematic perspectives series. Retrieved from http://libserver.cedefop.europa.eu/vetelib/2022/teachers_and_trainers_in_a_changing_world_Poland_Cedefop_ReferNet.pdf
]Search in Google Scholar
[
Cedefop. (2020). Key competences in initial vocational education and training: Digital, multilingual and literacy. Luxembourg: Publications Office of the European Union. Cedefop Research Paper, (78). http://data.europa.eu/doi/10.2801/671030
]Search in Google Scholar
[
Cedefop. (2022). The future of vocational education and training in Europe. Volume 1: The changing content and profile of VET: Epistemological challenges and opportunities. Luxembourg: Publications Office of the European Union. Cedefop Research Paper, (83). Retrieved from http://data.europa.eu/doi/10.2801/215705
]Search in Google Scholar
[
Erasmus+ Programme Guide, Version 2. (2022). Brussel: European Commission. Retrieved June 26, 2022 from https://erasmus-plus.ec.europa.eu/programme-guide/erasmusplus-programme-guide
]Search in Google Scholar
[
Finch, W. H. (2019). Exploratory factor analysis. Thousand Oaks Sage.
]Search in Google Scholar
[
Gorsuch, R. L. (1983). Factor analysis. Hillsdale: Lawrence Erlbaum Associates.
]Search in Google Scholar
[
Implementation guidelines Erasmus+ and European Solidarity Corps Inclusion and Diversity Strategy. (2021). Brussels: European Commission. Retrieved June 26, 2022 from https://erasmus-plus.ec.europa.eu/document/implementation-guidelines-erasmus-and-european-solidarity-corps-inclusion-and-diversity-strategy
]Search in Google Scholar
[
Kwiatkowska-Ciotucha, D., and Załuska, U. (2020). Go4FutureSkills – a comprehensive competency assessment tool. Econometrics. Ekonometria. Advances in Applied Data Analysis, 24(4).10.15611/eada.2020.4.02
]Search in Google Scholar
[
Panek T., and Zwierzchowski, J. (2013). Statystyczne metody wielowymiarowej analizy porównawczej. Teoria i zastosowania. Warszawa: Oficyna Wydawnicza Szkoła Główna Handlowa.
]Search in Google Scholar
[
Pett, M. A., Lackey, N. R., and Sullivan, J. J. (2003). Making sense of factor analysis: The use of factor analysis for instrument development in health care research. Thousand Oaks: Sage.10.4135/9781412984898
]Search in Google Scholar
[
Robins, R. W., Fraley, R. C., and Krueger, R. F. (Eds.). (2009). Handbook of research methods in personality psychology. New York: Guilford Press.
]Search in Google Scholar
[
Walesiak, M. (2011). Uogólniona miara odległości GDM w statystycznej analizie wielowymiarowej z wykorzystaniem programu R. Wrocław: Wydawnictwo Uniwersytetu Ekonomicznego.
]Search in Google Scholar
[
Walesiak, M., and Gatnar, E. (2013). Statystyczna analiza wielowymiarowa z wykorzystaniem programu R. Warszawa: Wydawnictwo Naukowe PWN.
]Search in Google Scholar
[
Watkins, M. W. (2021). A step-by-step guide to exploratory factor analysis with SPSS. London: Routledge.
]Search in Google Scholar
oraz 