Saragi D, Tarigan N. Teaching Materials Development of Bilingual Drawing North Sumatra Ornamental Variety to Improve Tourism Souvenirs Design at Universitas Negeri Medan. Rand. Inter. Edu. Ling. Sci. J. [Internet]. 2023Sep.30 [cited 2026Jul.28];4(3):652-63. Available from: https://randwickresearch.com/index.php/rielsj/article/view/796