Long, Duong Thang. “A GENETIC ALGORITHM BASED METHOD FOR TIMETABLING PROBLEMS USING LINGUISTICS OF HEDGE ALGEBRA IN CONSTRAINTS”. Journal of Computer Science and Cybernetics 32, no. 4 (August 21, 2017): 285–301. Accessed May 2, 2024. https://vjs.ac.vn/index.php/jcc/article/view/7962.