Kristiani, Yusni, Tawakkal, and Saiful. “The Role of Farmers in Conserving Incense Cultivation in Hutagurgur Village Humbang Hasundutan District”. TGO Journal of Education, Science and Technology 1, no. 1 (January 30, 2023): 89–97. Accessed November 22, 2024. https://ejournal.trescode.org/index.php/jest/article/view/31.