Angrenani, Arin Berliana, et al. “Effectiveness of Digital Simulation-Based Learning Approach in Optimizing Students’ Understanding of Queueing Models Using Real-Life Data”. (IJCSAM) International Journal of Computing Science and Applied Mathematics, vol. 11, no. 2, Dec. 2025, pp. 83-86, doi:10.12962/j24775401.ijcsam.v11i2.8850.