Yovera CE, Rodríguez JL. The SERVQUAL model in the evaluation of the quality of service of the sugar mills. Teor. Enfoques. Apl. Cienc. Soc. 2018;10(22):26-38. Accessed October 5, 2026. https://mail.revistas.uclave.org/index.php/teacs/article/view/1894