Pernando, Pernando, and Saut Pintubipar Saragih. 2020. “RANCANG BANGUN SISTEM INFORMASI PENJUALAN SPAREPART GENERAL DIESEL DI CV MULTI MANDIRI BERBASIS WEB”. Computer and Science Industrial Engineering (COMASIE) 3 (3):`1-9. https://ejournal.upbatam.ac.id/index.php/comasiejournal/article/view/2127.