MODIFICATION OF HAYAMI’S VALUE ADDED METHOD FOR THE PALM OIL AGROINDUSTRY SUPPLY CHAIN. Jurnal Teknologi Industri Pertanian, [S. l.], v. 22, n. 1, 2012. Disponível em: https://journal.ipb.ac.id/jurnaltin/article/view/5593. Acesso em: 24 dec. 2025.