Emeninta Prihartini Sitepu, Mulyadi, Mhd Pujiono, Dardanila. Language Variations On Signboards in the Berastagi Tourism Area. PI [Internet]. 2026 Feb. 17 [cited 2026 Apr. 18];1(01). Available from: https://proceedings.icesy.org/index.php/PI/article/view/12