Παπαδόπουλος Α. Μ., Γεωργιάδης Π. Ε., and Ψωινός Δημήτριος. 1992. “Incentives for Decentralised Energy Systems: Proposals for the Development of Effective Incentives in Greece”. SPOUDAI Journal of Economics and Business 48 (1-4):82-101. https://spoudai.org/index.php/journal/article/view/534.