“Evaluation of the Technical Condition of Mining Processing Equipment With Planned Preventive Maintenance at the San Joaquín 2 Quarry of Mapeagre Cia. Ltda”. Ciencias de la Ingeniería y Aplicadas 9, no. 1 (March 25, 2025): 30–40. Accessed June 4, 2026. https://investigacion.utc.edu.ec/index.php/ciya/article/view/1061.