SISTEM INFORMASI PERENCANAAN BAHAN BAKU MENGGUNAKAN METODE MATERIAL REQUIREMENT PLANNING STUDI KASUS DI PT. POLIPLAS MAKMUR SANTOSA UNGARAN. KOMPAK [Internet]. 2019 Jul. 11 [cited 2026 Jun. 24];12(1):27-32. Available from: https://journal.stekom.ac.id/index.php/kompak/article/view/40