A CONTRIBUTION OF STUDENTS’ MOTIVATION AND THEIR SPEAKING ABILITY AT SECOND GRADE OF SMA NEGERI 1 TEMBILAHAN HULU. J-Shelves of Indragiri (JSI), [S. l.], v. 5, n. 1, p. 148–156, 2023. DOI: 10.61672/jsi.v4i2.2589. Disponível em: https://ejournal-fkip.unisi.ac.id/shelves/article/view/2589. Acesso em: 9 oct. 2025.