Araque, Gustavo Andrés, Mauricio Gómez Vásquez, Juan Pablo Vélez, and Albeiro Suárez Hernández. “Planning and Implementation of a Study of Times and Methods in the Packaging Logistics Center (PLC) of Industrial Gas - Analysis and Standardization of Production: A Case Study”. Harvard Deusto Business Research 9, no. 1 (June 4, 2020): 84-104. Accessed October 20, 2020. https://hdbresearch.com/hdbr/article/view/270.