Sofica, V., & Hidayat, D. (2018). Metode Waterfall Pada Aplikasi Bimbingan Konseling SMK Nurjamilah Bekasi. INFORMATICS FOR EDUCATORS AND PROFESSIONALS, 2(2), 125 - 134. Retrieved from http://ejournal-binainsani.ac.id/index.php/ITBI/article/view/859