Anindita I, Witjaksono R, Harsoyo. The Role of Farmer Group Leader in Implementing The Cocoa Cultivation Technology at Patuk Sub-District, Gunungkidul Regency. JAMADEV [Internet]. 2023Sep.18 [cited 2024Jul.18];2(1):55-3. Available from: https://journal.ugm.ac.id/v3/JAMADEV/article/view/973