Applying Contract Farming Modelin Welfare-Enhancing Effort for Palm Oil Farmers in Sanggau Regency (West Kalimantan). Asian Journal of Social Science Studies, [S. l.], v. 3, n. 1, p. p63, 2018. DOI: 10.20849/ajsss.v3i1.352. Disponível em: https://journal.chapjulypress.org/index.php/ajsss/article/view/2054. Acesso em: 7 mar. 2026.