Grosso, J., S. Ruiz, and J. 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, vol. 16, no. 31, July 2022, pp. 43-60, doi:10.25043/19098642.234.