MASYARAH, R. Effectiveness Methods In Determining The Cost of Ffb Production In Palm Oil Plantations. Jurnal Mantik, [S. l.], v. 6, n. 3, p. 3400-3405, 2022. DOI: 10.35335/mantik.v6i3.3201. Disponível em: https://www.iocscience.org/ejournal/index.php/mantik/article/view/3201. Acesso em: 4 aug. 2026.