PUTRI HUMAIRA, Mutiara; NAINGGOLAN, Saidin; SAPUTRA, Ardhiyan. 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, [S. l.], v. 9, n. 1, p. 10–20, 2026. DOI: 10.22437/jalow.v9i1.51268. Disponível em: https://www.online-journal.unja.ac.id/JALOW/article/view/51268. Acesso em: 17 may. 2026.