., Fatchurrochman, and Zainal Abidin. “Solving University Course Timetabling Problem (UCTP) Using Depth First Search (DFS) Algorithm and Rule Base Systems”. International Journal of Engineering & Technology 8, no. 1.9 (January 26, 2019): 220–223. Accessed April 29, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/26403.