FIRDAUS, A. M. Efektivitas pembelajaran matematika melalui penerapan model pembelajaran kooperatif tipe snowball throwing. Beta: Jurnal Tadris Matematika, [S. l.], v. 9, n. 1, p. 61–74, 2016. DOI: 10.20414/betajtm.v9i1.1. Disponível em: https://jurnalbeta.ac.id/index.php/betaJTM/article/view/1. Acesso em: 13 jan. 2025.