Sarache Castro, William Ariel, Fernando Marrero Delgado, and Gilberto Hernández Pérez. 2012. “Objectives of the Operation Functions. Contributions to the Colombian Clothing Industry”. Revista Universidad EAFIT 40 (133): 35-46. https://publicaciones.eafit.edu.co/index.php/revista-universidad-eafit/article/view/886.