Karim, Ikawati, Eliana Wulandari, Ariady Arsal, and Nur Fitriayu Mandasari. “The Causality Model of Maize Farmers’ Income: Integrating Social Capital, Supply Chain, and Competitive Advantage”. International Journal on Advanced Science, Engineering and Information Technology 11, no. 1 (February 20, 2021): 252–258. Accessed May 27, 2024. https://ijaseit.insightsociety.org/index.php/ijaseit/article/view/8275.