“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 5, no. 3 (June 9, 2025): 133–139. Accessed July 23, 2025. https://ijahst.org/index.php/ijahst/article/view/459.