WIJOYO, HADION; SUROTO, BAMBANG. ANALISIS PENENTUAN HARGA POKOK PRODUKSI KELAPA SAWIT. Jurnal Ilmiah Pertanian, [S. l.], v. 3, n. 2, p. 54–60, 2007. DOI: 10.31849/jip.v3i2.1303. Disponível em: https://journal.unilak.ac.id/index.php/jip/article/view/1303. Acesso em: 23 may. 2026.