Grosso, Jorge, Susan Ruiz, and José Carrasco. “Analysis of the Historical Behavior of Purchases of Goods and Services in the Repair and Maintenance Projects of COTECMAR - Bocagrande Plant in the Last Five Years”. Ciencia y tecnología de buques 16, no. 31 (July 31, 2022): 43–60. Accessed December 7, 2022. https://shipjournal.co/index.php/sst/article/view/234.