“Experiences of Antonio Nariño University, Tunja Campus, in the Use of Renewable Energy Sources”. REVISTA AMBIENTAL AGUA, AIRE Y SUELO 9, no. 2 (December 28, 2018): 1–11. Accessed October 16, 2025. https://ojs.unipamplona.edu.co/index.php/aaas/article/view/406.