Zana Najm Abdullah Nasrallah et al. 2025. An Analytical Study to Improve the Efficiency of Waiting Lines in Government Institutions. Bilangan : Jurnal Ilmiah Matematika, Kebumian dan Angkasa. 3, 1 (Mar. 2025), 139–157. DOI:https://doi.org/10.62383/bilangan.v3i1.429.