Sotelo-Figueroa Marco, Aurelio, Rosario Baltazar, and Martin Carpio Juan. 2013. “Applicatioon of the Bee Swarm Optimization BSO to the Knapsack Problem”. Journal of Automation, Mobile Robotics and Intelligent Systems 5 (1): 101-14. https://www.jamris.org/index.php/JAMRIS/article/view/158.