Marín, Jorge Barrientos, and Fernando Villada. “Regionalized Discount Rate to Evaluate Renewable Energy Projects in Colombia”. International Journal of Energy Economics and Policy 10, no. 2 (January 21, 2020): 332–336. Accessed August 6, 2025. https://www.econjournals.com.tr/index.php/ijeep/article/view/8924.