Marino Manik, Surtan Hasibuan, and Nelva Meyriani Br Ginting. “PROSPECTS AND STRATEGIES FOR DEVELOPING GAMBIR (UNCARIA GAMBIR ROXB.) IN PAKPAK BHARAT DISTRICT”. International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET) 4, no. 10 (December 21, 2025): 474–484. Accessed April 29, 2026. https://www.ijset.org/index.php/ijset/article/view/1487.