VALENCIA OCHOA, Guillermo; ALVAREZ, Jose Nunez; ACEVEDO, Carlos. 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, [S. l.], v. 9, n. 6, p. 242–253, 2019. Disponível em: https://mail.econjournals.com/index.php/ijeep/article/view/8051. Acesso em: 19 sep. 2024.