Hazanah EK, Oktaviani A, Nurfalah R. PENERAPAN MODEL WATERFALL DALAM PERANCANGAN SISTEM INFORMASI BERBASIS WEB PADA DEVAN PETSHOP. j. responsif ris. sains inform. [Internet]. 2022 Aug. 30 [cited 2026 Sep. 17];4(2):135-41. Available from: https://ejurnal.ars.ac.id/index.php/jti/article/view/613