Purba, R. . (2015) “Lexical Variation on Students’ Daily Conversation at Campus by First Year Students of English Department FKIP HKBP Nommensen University”, Journal of English Teaching as a Foreign Language, 1(2), pp. 60-76. Available at: https://ejournal.uhn.ac.id/index.php/jetafl/article/view/314 (Accessed: 19May2024).