YARNI, Asna. Improving competitive appreciative value with competitive Learning model and cooperative learning for mathematics in grade Sixth of elementary school no.01 koto pulai kecamatan lengayang. Jurnal Ilmiah Pendidikan Scholastic, [S. l.], v. 1, n. 1, p. 164–175, 2017. DOI: 10.36057/jips.v1i1.296. Disponível em: https://e-journal.sastra-unes.com/index.php/JIPS/article/view/296. Acesso em: 5 feb. 2025.