. F, Abidin Z. Solving University Course Timetabling Problem (UCTP) Using Depth First Search (DFS) Algorithm and Rule Base Systems. IJET [Internet]. 2019 Jan. 26 [cited 2024 Apr. 29];8(1.9):220-3. Available from: https://www.sciencepubco.com/index.php/ijet/article/view/26403