Sakti, Sakti, and Siti Maulidina. “Value Added Processing of Plantation Products to Increase Farmers’ Income and Welfare”. Jurnal PKM Manajemen Bisnis 3, no. 1 (January 1, 2023): 23–31. Accessed October 7, 2026. https://ojs.pseb.or.id/index.php/pkm/article/view/585.