Rivera González, Miguel Ángel, and Edicson Rubiano Aranzales. “Observatories: A Tool for the Social, Cooperative, and Solidarity Sector in the Region of Tolima, Colombia”. Cooperativismo & Desarrollo 24, no. 109 (August 18, 2016). Accessed July 5, 2026. https://revistas.ucc.edu.co/index.php/co/article/view/1510.