Yudyanto, Hendy, and Fithra Faisal Hastiadi. “Analysis of the Imposition of Export Tax on Indonesian Cocoa Beans: Impact on the Processed Cocoa Export Indonesia and Malaysia”. International Journal of Economics and Financial Issues 7, no. 5 (November 9, 2017): 552–560. Accessed October 6, 2022. https://www.econjournals.com/index.php/ijefi/article/view/5524.