The Effect Of Numbered Head Together And Motivation In Learning Toward Students’ Speaking Ability. Jurnal Ilmiah Mandala Education, [S. l.], v. 10, n. 4, p. 867–878, 2024. DOI: 10.58258/jime.v10i4.7534. Disponível em: https://ejournal.mandalanursa.org/index.php/JIME/article/view/7534. Acesso em: 25 sep. 2026.