Idrees MS, Adea MK. Effectiveness of an instructional program on mothers knowledge toward child vaccines at primary health care centers in AlـNajaf City. Int. J. of Health Sci. [Internet]. 2022 May 20 [cited 2026 May 20];6(S2):10037-44. Available from: https://sciencescholar.us/journal/index.php/ijhs/article/view/7611