ROJAS-VILLACÍS, C. A.; ZÚÑIGA-ARROBO, . C. A. Analysis of loading and transportation activity in artisanal mining in El Guayabo, Ecuador . FIGEMPA: Investigación y Desarrollo, Quito, EC, v. 14, n. 2, p. 1–12, 2022. DOI: 10.29166/revfig.v14i2.3854. Disponível em: https://revistadigital.uce.edu.ec/index.php/RevFIG/article/view/3854. Acesso em: 19 feb. 2026.