PUTRA, Christian Pratama; SADONO, Dwi; SUSANTO, Djoko. Perceptions of Smallholders Farmers on Oil Palm Plantation Cooperative in Kongbeng, East Kutai. Jurnal Penyuluhan, [S. l.], v. 16, n. 1, p. 134–146, 2020. DOI: 10.25015/16202028295. Disponível em: https://journal.ipb.ac.id/jupe/article/view/28295. Acesso em: 24 dec. 2025.