Márquez, Mariana Alvarado, and Edison Olivero Arias. “Centralizationandefficientmechanismfor Administrativemanagement”. Revista Universidad de Guayaquil 121, no. 3 (September 2, 2015): 11–16. Accessed April 20, 2026. https://revistas.ug.edu.ec/index.php/rug/article/view/266.