Anwar, Samsul, Tri Wahyudi, Mutia Andriani, Dinda Maulina, Juraida Fitri, Raihan Nora, and Zulfazli Zulfazli. 2020. “Service Waiting Time Behavior of Express Maintenance (EM) Program of PT. Dunia Barusa Banda Aceh”. Jurnal Matematika, Statistika Dan Komputasi 16 (3):247-62. https://doi.org/10.20956/jmsk.v16i3.4927.