Zulfiandri Z, Maarif MS, Hermawan A, Hardjomidjojo H. The Transformation Process of Cocoa Farmers Groups to Agro-industry Groups in Indonesia: a Soft System Methodology Approach. IJSBAR [Internet]. 2017 Jan. 1 [cited 2024 Jul. 23];31(1):1-30. Available from: https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/6715