Qamari, Ika Nurul, and Salma Ayudhona Trizula. “Decision of Queuing Models and Layout Design at a Gas Station”. MIX: JURNAL ILMIAH MANAJEMEN, vol. 12, no. 1, Feb. 2022, https://publikasi.mercubuana.ac.id/index.php/Jurnal_Mix/article/view/14279.