Widhiyoga, Ganjar, and Hasna Wijayati. “The Challenges Faced by Cocoa-Based Industries from Indonesia in Global Value Chains”. Husnayain Business Review 2, no. 2 (September 28, 2022): 1–10. Accessed August 2, 2025. https://journal.adpebi.com/index.php/hbr/article/view/288.