Ortega-Ramírez AT, Ochoa-Rodríguez Édgar D, Gil-Padilla S. Challenges for the sustainable exploitation of emeralds in Colombia. revfue [Internet]. 2022 Jun. 30 [cited 2024 Jul. 22];20(1):73-85. Available from: https://revistas.uis.edu.co/index.php/revistafuentes/article/view/13503