IDREES, M. S.; ADEA, M. K. Effectiveness of an instructional program on mothers knowledge toward child vaccines at primary health care centers in AlـNajaf City. International journal of health sciences, [S. l.], v. 6, n. S2, p. 10037–10044, 2022. DOI: 10.53730/ijhs.v6nS2.7611. Disponível em: https://sciencescholar.us/journal/index.php/ijhs/article/view/7611. Acesso em: 20 may. 2026.