Álvarez-Martínez, David, Eliana Mirledy Toro-Ocampo, and Ramón Alfonso Gallego-Rendón. “Unconstrained Two-Dimensional Knapsack Problem”. Ingenieria y Universidad 14, no. 2 (March 15, 2011): 327. Accessed October 14, 2024. https://revistas.javeriana.edu.co/index.php/iyu/article/view/1129.