Aprianto, Wendy, Usep Syaipudin, and Muslimin. “CONTRIBUTION OF LAMPUNG COFFEE COMMODITY TO THE ECONOMIC IMPROVEMENT OF LAMPUNG PROVINCE”. Peradaban Journal of Economic and Business 1, no. 1 (March 28, 2022): 9–16. Accessed March 18, 2026. https://www.jurnal.peradabanpublishing.com/index.php/PJEB/article/view/5.