SAJJAD, S.; AZAM, S. Oral health education in public schools of Rawalpindi city. Pakistan Orthodontic Journal, [S. l.], v. 7, n. 2, p. 66–69, 2016. Disponível em: https://www.poj.org.pk/index.php/poj/article/view/121. Acesso em: 7 may. 2026.