Wahid, J., and N. Mohd Hussin. “Construction of Initial Solution Population for Curriculum-Based Course Timetabling Using Combination of Graph Heuristics”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 8, no. 8, Nov. 2016, pp. 91-95, https://jtec.utem.edu.my/jtec/article/view/1325.