Kin Lai, W., K. Meng Hoe, Y. Mei Aw, and T. S. Yin Tai. “Search and Optimisation With Smart Ant-Like Software Agents”. Malaysian Journal of Computer Science, vol. 15, no. 2, June 2002, pp. 43-55, https://jati.um.edu.my/index.php/MJCS/article/view/6053.