Martinez Fernández, Paulino, Fernando deLlano-Paz, Anxo Calvo-Silvosa and Isabel Soares (2020); “An evaluation of the energy and environmental policy efficiency of the EU member states in a 25-year period from a Modern Portfolio Theory perspective“, International Journal of Sustainable Energy Planning and Management, 26, pp. 19-32.
Martinez Fernández, Paulino, Fernando deLlano-Paz, Anxo Calvo-Silvosa and Isabel Soares (2020); “An evaluation of the energy and environmental policy efficiency of the EU member states in a 25-year period from a Modern Portfolio Theory perspective“, International Journal of Sustainable Energy Planning and Management, 26, pp. 19-32.