Ruelas-Gonzalez, E., J. Limon-Robles, and N. Smith-Cornejo. “Determining a Checkout Register Opening Policy to Maximize Profit In Convenience Stores Chains”. Journal of Applied Research and Technology 8, no. 03 (December 1, 2010). Accessed June 12, 2025. https://jart.icat.unam.mx/index.php/jart/article/view/464.