Pane, Yudha Nugraha, and Tifany Zia Aznur. “Analysis Of The Marketing Channel Efficiency Of Fresh Fruit Bunches (FFB) Among Smallholder Farmers In Gunung Ambat Village, Sei Bingai District, Langkat Regency”. International Journal of Health Engineering and Technology 5, no. 2 (July 25, 2026). Accessed July 26, 2026. https://www.afdifaljournal.com/journal/index.php/ijhet/article/view/1052.