Effectiveness of Audiovisual Media vs Leaflets in Improving Mothers’ Knowledge of Diphtheria in Toddlers in Mojo Health Center, Surabaya. International Journal of Advanced Health Science and Technology [Internet]. 2025 Jun. 9 [cited 2025 Jul. 23];5(3):133-9. Available from: https://ijahst.org/index.php/ijahst/article/view/459