SITUMORANG, Frenky; SITUMORANG, Irvan Rolyesh. Education on the Physical Expenditure of Fertilizer Supplies Using the FIFO System at PT Kalimantan Hamparan Sawit. Jurnal IPTEK Bagi Masyarakat, [S. l.], v. 3, n. 2, p. 85–91, 2023. DOI: 10.55537/jibm.v3i2.739. Disponível em: https://journal.aira.or.id/index.php/j-ibm/article/view/739. Acesso em: 13 oct. 2025.