Nainggolan, Hetty Claudia, Rosdiana Pakpahan, and Wilda Khairannur. “Optimizing the Performance of Local Tour Guides: A Case Study of Meat Tourism Village, Toba District”. Jurnal Ilmiah Global Education 5, no. 1 (March 19, 2024): 359–365. Accessed March 10, 2025. https://ejournal.nusantaraglobal.ac.id/index.php/jige/article/view/2391.