Hipotesis Nol dan Hipotesis Alternatif. Jurnal Keguruan dan Ilmu Pendidikan, [S. l.], v. 3, n. 3, p. 685–695, 2017. DOI: 10.47178/jkip.v3i3.99. Disponível em: https://journals.ukitoraja.ac.id/index.php/jkip/article/view/99.. Acesso em: 6 dec. 2025.