Kumar, P. R. Thirumalai, and M. Kavinprasad. “A Study to Assess the parent’s Knowledge and Attitudes on Childhood Immunization”. International Journal Of Community Medicine And Public Health 5, no. 11 (October 25, 2018): 4845–4848. Accessed October 26, 2025. https://www.ijcmph.com/index.php/ijcmph/article/view/3675.