PUTRA, M. F. Mixed Methods: Pengantar Dalam Penelitian Olahraga. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran, [S. l.], v. 3, n. 1, p. 11–28, 2017. DOI: 10.29407/js_unpgri.v3i1.682. Disponível em: https://ojs.unpkediri.ac.id/index.php/pjk/article/view/682. Acesso em: 2 feb. 2025.