Kusmana, Endang, Dessy Adelin, and Susan Andriana. “The Effect of Farmer Group Dynamic on the Income of Red Branches in Indonesia”. International Journal of Economics and Financial Issues 9, no. 2 (March 3, 2019): 115–118. Accessed May 5, 2024. https://econjournals.com/index.php/ijefi/article/view/7619.