Veliz, Vito, César Rodríguez, and Cristina Argueta. “Location of Archaeological Sites through New Technologies of Geographic Information, Otoro Valley”. Jornual of Science and Technology, no. 14 (February 4, 2015): 42–61. Accessed July 3, 2024. https://lamjol.info/index.php/RCT/article/view/1795.