Putri Humaira, Mutiara, Saidin Nainggolan, and Ardhiyan Saputra. “Analysis of Internal and External Factors of Farmers That Influence the Productivity of Self-Help Palm Oil Plantations in Merlung District, West Tanjung Jabung Regency”. JALOW | Journal of Agribusiness and Local Wisdom 9, no. 1 (January 4, 2026): 10–20. Accessed May 17, 2026. https://www.online-journal.unja.ac.id/JALOW/article/view/51268.