Adristi C, . S, Saputra BA, Yasin H. A Queue System Analysis of Police Clearance Certificate Services at the Semarang Metropolitan Police Department, Indonesia. ijmcr [Internet]. 15Dec.2025 [cited 23Oct.2026];13(12):5998-004. Available from: https://ijmcr.in/index.php/ijmcr/article/view/1123