“Motivation of Cocoa Farmers in Implementing the Cocoa Production Technology: Case at Sirenja District Donggala Regency, Central Sulawesi Province” (2010) Pelita Perkebunan (a Coffee and Cocoa Research Journal), 26(1). Available at: https://www.ccrjournal.com/index.php/ccrj/article/view/120 (Accessed: 1 May 2026).