ERNITA, Y.; GUNA, R. A. H.; SANTOSA, S.; NOFIALDI, N. Analysis of Cocoa Industry Development Factor with System Approach in West Sumatera, Indonesia. International Journal of Sciences: Basic and Applied Research (IJSBAR), [S. l.], v. 36, n. 3, p. 122–133, 2017. Disponível em: https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/8192. Acesso em: 18 may. 2024.