HARIYATI; MUSTAJIB, A.; ARDIAN, E. THE EFFECTIVENESS OF USING ENGLISH SONGS AS WARMING UP ACTIVITY TO ENHANCE STUDENTS’ MOTIVATION IN ENGLISH CLASSROOM AT THE EIGHTH GRADE OF SMPN I ENOK. J-Shelves of Indragiri (JSI), [S. l.], v. 2, n. 1, p. 27–33, 2020. DOI: 10.32520/jsi.v2i1.1480. Disponível em: https://ejournal-fkip.unisi.ac.id/shelves/article/view/1480. Acesso em: 4 jul. 2024.