ZULFIANDRI, Z.; MAARIF, M. S.; HERMAWAN, A.; HARDJOMIDJOJO, H. The Transformation Process of Cocoa Farmers Groups to Agro-industry Groups in Indonesia: a Soft System Methodology Approach. International Journal of Sciences: Basic and Applied Research (IJSBAR), [S. l.], v. 31, n. 1, p. 1–30, 2017. Disponível em: https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/6715. Acesso em: 11 may. 2024.