Ostin, Audi, Tri Endar Suswatiningsih, and Amallia Ferhat. 2026. “Peranan Tengkulak Terhadap Pemasaran Petani Kelapa Sawit Di Desa Nagasari Kabupaten Muara Jambi: The Role of Middlemen in the Marketing of Palm Oil by Farmers in Nagasari Village, Muara Jambi Regency”. AGRIFITIA : Journal of Agribusiness Plantation 6 (2):149-67. https://doi.org/10.55180/aft.v6i2.1988.