RIFIN, Amzul. Efisiensi Perusahaan Crude Palm Oil (CPO) di Indonesia. Jurnal Manajemen dan Agribisnis, [S. l.], v. 14, n. 2, p. 103, 2017. DOI: 10.17358/jma.14.2.103. Disponível em: https://journal.ipb.ac.id/jmagr/article/view/12597. Acesso em: 30 dec. 2025.