NASUTION, Achmad Suryadi; SIMBOLON, Okto Bryan; MULIAWATI, Triyana; EDRIANI, Tiara Shofi; NOOR, Dear Michiko Mutiara; FAUZI, Rifky. Raw Material Inventory Control Using The Period Order Quantity (POQ) Method to Reduce Stockout and Overstock Risks. Vygotsky: Jurnal Pendidikan Matematika dan Matematika, [S. l.], v. 7, n. 2, p. 97–110, 2025. DOI: 10.30736/voj.v7i2.1163. Disponível em: https://jurnalpendidikan.unisla.ac.id/index.php/VoJ/article/view/1163. Acesso em: 28 feb. 2026.