“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, vol. 9, no. 1, Jan. 2026, pp. 10-20, https://doi.org/10.22437/jalow.v9i1.51268.