RIJAL, Samsi. Student Teams Achievement Division (STAD) at English Language Teaching. Wacana Didaktika, [S. l.], v. 3, n. 2, p. 122–127, 2015. DOI: 10.31102/wacanadidaktika.3.2.122-127. Disponível em: http://journal.uim.ac.id/index.php/wacanadidaktika/article/view/31. Acesso em: 25 jan. 2026.