Hia, Y. Y., and very Karnadi. “PERANCANGAN APLIKASI E-KOST BERBASIS ANDROID DI KOTA BATAM”. Computer and Science Industrial Engineering (COMASIE), vol. 5, no. 7, July 2021, pp. 35-42, https://ejournal.upbatam.ac.id/index.php/comasiejournal/article/view/4401.