MOHAMMAD FAHRIZAL ARDIYANSYAH; ARIEF SENJA FITRANI. Sales Management System in Grocery Store Mobile Phone Based: Sistem Manajemen Penjualan di Toko Kelontong Berbasis Ponsel. Procedia of Engineering and Life Science, [S. l.], v. 1, n. 1, 2021. DOI: 10.21070/pels.v1i1.830. Disponível em: https://pels.umsida.ac.id/index.php/PELS/article/view/830. Acesso em: 29 jun. 2025.