HADI, A.; PERMANA, R. . Sales Management System Design And Promotion Media (Marketplace) Sales Of Umkm, Padang City (Perancangan Sistem Manajemen Penjualan Dan Media Promosi (Marketplace) Penjualan Umkm Kota Padang). Jurnal KomtekInfo, [S. l.], v. 6, n. 2, p. 155–159, 2019. DOI: 10.35134/komtekinfo.v6i2.54. Disponível em: https://jkomtekinfo.org/ojs/index.php/komtekinfo/article/view/54. Acesso em: 3 feb. 2026.