Mantilla Falcón, Marcelo, Roberto Valencia Núñez, and Tatiana Valle Álvarez. “The Prosocial Behaviors and the Disposition to the Economic Contribution in the Visitors of the Cotopaxi National Park, Ecuador”. Boletín de Coyuntura, no. 32 (March 31, 2022): 17–24. Accessed April 11, 2025. https://revistas.uta.edu.ec/erevista/index.php/bcoyu/article/view/1602.