Hutauruk, B. S. (2016) “Vocabulary of EFL Learners (Academic Year 2015) in Learning English at FKIP UHN Pematangsiantar”, Journal of English Teaching as a Foreign Language, 2(2), pp. 1-12. Available at: https://ejournal.uhn.ac.id/index.php/jetafl/article/view/163 (Accessed: 4May2024).