Widhowati DS, Chotijah U. Rancang Bangun Sistem Informasi Koperasi Sekolah Berbasis Web Dengan Metode Waterfall. ikraith-informatika [Internet]. 2026Mar.1 [cited 2026Feb.9];10(1):169-77. Available from: https://journals.upi-yai.ac.id/index.php/ikraith-informatika/article/view/6257