Salim NM, Zulfitri. Effect of Using English Song on Students’ Vocabulary Mastery at 7th Grade of MTS Private Al Azhar Education Foundation Medan. EL [Internet]. 2023 Aug. 3 [cited 2026 Mar. 11];3(2):153-60. Available from: https://jurnal.medanresourcecenter.org/index.php/EL/article/view/1025