Chen, Ta-Cheng, Sheng-Chuan Wang, and Wen-Cheng Tseng. “Using a Hybrid Evolutionary Algorithm for Solving Signal Transmission Station Location and Allocation Problem With Different Regional Communication Quality Restriction”. International Journal of Engineering and Technology Innovation 10, no. 3 (July 1, 2020): 165-178. Accessed August 13, 2020. http://ojs.imeti.org/index.php/IJETI/article/view/5054.