Martínez-Ruiz, Yessenia, Diego Fernando Manotas-Duque, and Howard Ramírez-Malule. 2020. “Evaluation of Investment Projects in Photovoltaic Solar Energy Using the DNPV Methodology”. International Journal of Energy Economics and Policy 11 (1):180-85. https://www.econjournals.com/index.php/ijeep/article/view/10577.