PENERAPAN MODEL SPIRAL DALAM RANCANG BANGUN KNOWLEDGE MANAGEMENT SYSTEM MONITORING PROBLEM PRODUKSI DI PT DYNAPLAST PLANT 4 CIBITUNG MENGGUNAKAN PHP DAN MYSQL. JIS [Internet]. 2020 Sep. 28 [cited 2026 Jan. 16];5(2):84-91. Available from: https://simantik-panca-sakti.ac.id/index.php/simantik/article/view/67