ZANA NAJM ABDULLAH NASRALLAH; KHALID RAHAMTALLA KHEDIR; MOHAMMEDELAMEEN E. QURASHI. An Analytical Study to Improve the Efficiency of Waiting Lines in Government Institutions. Bilangan : Jurnal Ilmiah Matematika, Kebumian dan Angkasa, [S. l.], v. 3, n. 1, p. 139–157, 2025. DOI: 10.62383/bilangan.v3i1.429. Disponível em: https://journal.arimsi.or.id/index.php/Bilangan/article/view/429. Acesso em: 25 apr. 2025.