Ricardo Cabrera H, Medina León A, Nogueira Medina D, Núñez Chaviano Q. Revision of the state of the art for the administration and improvement of the managerial processes. Enfoque UTE [Internet]. 2015 Dec. 16 [cited 2024 Nov. 7];6(4):pp. 1 - 22. Available from: http://ingenieria.ute.edu.ec/index.php/revista/article/view/75