Quinapallo Ortiz, Erika, Valeria Patricia Tipán Villarreal, and Gonzalo Alejandro Pazmiño Nuñez. “Feasibility of a Low-Cost Alternative Method for the Partial Recovery of Used Lubricating Oil Using Physicochemical Treatment”. CONECTIVIDAD 7, no. 2 (August 21, 2026): e489. Accessed November 7, 2026. http://200.63.107.229/ojs/index.php/ISTER/article/view/489.