Valencia Ochoa, G., Alvarez, J. N. and Acevedo, C. (2019) “Research Evolution on Renewable Energies Resources from 2007 to 2017: A Comparative Study on Solar, Geothermal, Wind and Biomass Energy”, International Journal of Energy Economics and Policy, 9(6), pp. 242–253. Available at: https://econjournals.com.tr/index.php/ijeep/article/view/8051 (Accessed: 24 December 2024).