Implementation of Internal Control System in the Purchasing Accounting System at PT. Berkat Anugerah Plastik Nganjuk - East Java. IJoSPaT [Internet]. 31 Mei 2025 [dikutip 13 September 2026];3(1):11-2. Tersedia pada: https://www.dhsjournal.id/index.php/ijospat/article/view/320