“RANCANG BANGUN SISTEM INFORMASI PENJUALAN BERBASIS WEB PADA PT SAMATOR GAS INDUSTRI”. Journal of Innovation And Future Technology (IFTECH) 1, no. 1 (February 28, 2019): 1–12. Accessed August 2, 2025. https://ejournal.lppm-unbaja.ac.id/index.php/iftech/article/view/444.