Harry Sambayu, Derliana Hasibuan, Lisa Fitri Meidipa. A Case Study of Using Common and Proper Noun for Civil Engineering Students in University of Asahan. Jejak digital [Internet]. 2025 May 26 [cited 2025 Sep. 26];1(3):524-30. Available from: https://indojurnal.com/index.php/jejakdigital/article/view/160