Efforts to Improve Learning Concentration Through Religious Practices at MAN 2 Pontianak. Arfannur: Journal of Islamic Education, [S. l.], v. 7, n. 2, p. 240–255, 2026. DOI: 10.24260/arfannur.v7i2.6040. Disponível em: https://e-journal.iainptk.ac.id/index.php/arfannur/article/view/6040. Acesso em: 23 oct. 2026.