Lokollo, Erna Maria. “Economic and Social Aspects of Palm Oil Industry Indonesia’s Palm Oil Trade in the Context of Economic Liberalization”. Analisis Kebijakan Pertanian 11, no. 1 (August 11, 2016): 1–9. Accessed July 2, 2025. https://epublikasi.pertanian.go.id/berkala/index.php/akp/article/view/1077.