Kholifanoor , Rifani. “PERANCANGAN SISTEM INFORMASI POINT OF SALES (POS) BERBASIS WEBSITE DENGAN METODE WATERFALL PADA CV. LAMPIT SEJAHTERA”. Global Research and Innovation Journal, vol. 1, no. 3, Sept. 2025, pp. 548-57, https://journaledutech.com/index.php/great/article/view/587.