Adnan, Adnan, Alwin Teniro, and Zainudin - Zainudin. “Competitiveness of the Commodity Indonesian Coffee Beans the International Market”. Jurnal Manajemen 13, no. 3 (October 1, 2022): 329–342. Accessed November 23, 2024. http://150.107.142.43/index.php/manajemen/article/view/7104.