[Clodnițchi, R. (2017a). A Critical Synthesis of Scientific Research on Business Models and Business Model Components, Management and Economics Review, 4(2), 297-307.]Search in Google Scholar
[Clodnițchi, R. (2017b). Paradigm Shift from “Business Model” to “Entrepreneurial Model”, Proceedings of the 11th International Management Conference “The Role of Management in the Economic Paradigm of the XXIst Century”, 778-793, November 2nd-4th, 2017, Bucharest, Romania.]Search in Google Scholar
[Dima, A.M., Vasilache, S. (2016). Credit Risk modeling for Companies Default Prediction using Neural Networks, Journal for Economic Forecasting, Institute for Economic Forecasting, vol. 0(3), 127-143.]Search in Google Scholar
[Ericsson, K., Nikoleris, A., Nilsson, L.J. (2013). The Biogas Value Chains in the Swedish Region of Skåne. TOP-NEST, Project number RD 2011-42. Nordic Energy Research.]Search in Google Scholar
[European Commission (2009). Directive 2009/28/EC. On the Promotion of the Use of Energy from Renewable Sources and Amending and Subsequently Repealing Directives 2001/77/EC and 2003/30/EC. OJEU, pp. 16-62. L 140 (23.04.2009).]Search in Google Scholar
[Karlsson, N.P.E., Hoveskog, M., Halila, F., Mattsson, M. (2018), Early phases of the business model innovation process for sustainability: Addressing the status quo of a Swedish biogas-producing farm cooperative, Journal of Cleaner Production, 172, 2759-2772.10.1016/j.jclepro.2017.11.136]Search in Google Scholar
[Karlsson, N., Halila, F., Mattsson, M., Hoveskog, M. (2017). Success factors for agricultural biogas production in Sweden: a case study of business model innovation. Journal of Cleaner Production, 142(4), 2925-2934.10.1016/j.jclepro.2016.10.178]Search in Google Scholar
[Lantz, M., Svensson, M., Bjornsson, L., Borjesson, P. (2007). The prospects for an expansion of biogas systems in Sweden e incentives, barriers and potentials. Energy Policy, 35 (3), 1830-1843.10.1016/j.enpol.2006.05.017]Search in Google Scholar
[Larsson, M., Gronkvist, S., Alvfors, P. (2013). Barriers and Drivers for Upgraded Biogas in Sweden, Proceedings ICAE 5th International Conference on Applied Energy 2013, Pretoria, South Africa, 1-4 July, 2013.]Search in Google Scholar
[Lybaek, R., Christensen, T.B., Kjaer, T. (2013). Governing innovation for sustainable development in the Danish biogas sector - a historical overview and analysis of innovation, Sustainable Development, 21(3), 171-182.10.1002/sd.1548]Search in Google Scholar
[Martin, M. (2015). Potential of biogas expansion in Sweden: identifying the gap between potential studies and producer perspectives, Biofuels, 6(5-6), 233-240.10.1080/17597269.2015.1090769]Search in Google Scholar
[Negro, S.O., Hekkert, M.P. (2008). Explaining the success of emerging technologies by innovation system functioning: the case of biomass digestion in Germany. Technology Analysis & Strategic Management, 20(4), 465-482.10.1080/09537320802141437]Search in Google Scholar
[Negro, S.O., Hekkert, M.P., Smits, R.E. (2007). Explaining the failure of the Dutch innovation system for biomass digestion. A functional analysis. Energy Policy, 35(2), 925-938.10.1016/j.enpol.2006.01.027]Search in Google Scholar
[Nichifor, M.A. (2015). Sustainable business models for wind and solar energy in Romania”, Management & Marketing. Challenges for the Knowledge Society, Vol. 10, No. 1, pp. 52‐60, DOI: 10.1515/mmcks‐2015‐000410.1515/mmcks-2015-0004]Search in Google Scholar
[Osterwalder, A., & Pigneur, Y. (2010). Business Model Generation: A Handbook for Visionaries, Game Changers, and Challengers: Wiley.]Search in Google Scholar
[Raven, R.P.J.M., Geels, F.W. (2010). Socio-cognitive evolution in niche development: comparative analysis of biogas development in Denmark and The Netherlands (1973- 2004). Technovation, 30(2), 87-99.10.1016/j.technovation.2009.08.006]Search in Google Scholar
[Sanden, B.A., Hillman, K.M. (2011). A framework for analysis of multi-mode interaction among technologies with examples from the history of alternative transport fuels in Sweden, Research Policy, 40(3), 403-414.10.1016/j.respol.2010.12.005]Search in Google Scholar
[Smyth, B.M., Gallachoir, B.P.O., Korres, N.E., Murphy, J.D. (2010). Can we meet targets for biofuels and renewable energy in transport given the constraints imposed by policy in agriculture and energy? Journal of Cleaner Production, 18(16-17), 1871-1685.10.1016/j.jclepro.2010.06.027]Search in Google Scholar
[Transelectrica 2018, Centralizator de certificate verzi acordate inclusiv luna 12 anul 2017 http://www.transelectrica.ro/documents/10179/4858640/CV+emise+luna+ianuarie+2017/73f9defd-0af2-447a-97a9-30c02a4f2463.]Search in Google Scholar
[Vernay, A.-L., Mulder, K.F., Manon Kamp, L., de Bruijn, H. (2013). Exploring the sociotechnical dynamics of systems integration e the case of sewage gas for transport in Stockholm, Sweden, Journal of Cleaner Production, 44, 190-199.10.1016/j.jclepro.2012.11.040]Search in Google Scholar
[Wilkinson, K.G. (2011). A comparison of the drivers influencing adoption of on-farm anaerobic digestion in Germany and Australia. Biomass Bioenergy, 35(5), 1613-1622.10.1016/j.biombioe.2011.01.013]Search in Google Scholar