Sebayang L, Afni Hardyani M. The Morphology Characteristics of Plant Gambir (Uncaria gambire Roxb.) in Pakpak Barat District. Petrop [Internet]. 2020 Oct. 16 [cited 2025 Dec. 7];7(2):213-8. Available from: https://talenta.usu.ac.id/jpt/article/view/4374