Andriadi, Andriadi, Rizabuana Ismail, Fikarwin Fikarwin, Badaruddin Badaruddin, Ria Manurung, and Henry Sitorus. “Coffee Marketing Mechanism: Social Relations Between Farmers, Collectors, Certification Cooperatives, and Exporters in Aceh, Indonesia”. Pelita Perkebunan (a Coffee and Cocoa Research Journal) 35, no. 2 (August 31, 2019): 156-166. Accessed July 24, 2024. https://ccrjournal.com/index.php/ccrj/article/view/383.