Andriadi A, Ismail R, Fikarwin F, Badaruddin B, Manurung R, Sitorus H. Coffee Marketing Mechanism: Social Relations Between Farmers, Collectors, Certification Cooperatives, and Exporters in Aceh, Indonesia. PelitaPerkebunan [Internet]. 31Aug.2019 [cited 24Jul.2024];35(2):156-6. Available from: https://ccrjournal.com/index.php/ccrj/article/view/383