Hassan, F. H., H. Wah Kit, N. M. L. Nik Rosni, and N. D. A. Azhar. “Non-Overlapping Ratios As Fitness Function in Optimisation Spatial Layout Design”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 9, no. 2-5, June 2017, pp. 83-86, https://jtec.utem.edu.my/jtec/article/view/2403.