Putri Humaira, M., Nainggolan, S., & Saputra, A. (2026). 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(1), 10–20. https://doi.org/10.22437/jalow.v9i1.51268