Montrado, Ricko, and Saut Pintubipar. 2022. “RANCANG BANGUN SISTEM INFORMASI JASA PENJUALAN BARANG BEKAS BERBASIS WEB DI KOTA BATAM”. Computer and Science Industrial Engineering (COMASIE) 7 (2):82-90. https://ejournal.upbatam.ac.id/index.php/comasiejournal/article/view/5861.