KHOIRO, M. . Validitas instrumen strategi card sort pada pembelajaran. Educenter : Jurnal Ilmiah Pendidikan, [S. l.], v. 1, n. 11, p. 817–821, 2022. DOI: 10.55904/educenter.v1i11.160. Disponível em: https://jurnal.arkainstitute.co.id/index.php/educenter/article/view/160. Acesso em: 4 jul. 2024.