Joseph, Jolsna, Vijayalakshmi Devarashetty, S. Narayana Reddy, and M. Sushma. 2017. “Parents’ Knowledge, Attitude, and Practice on Childhood Immunization”. International Journal of Basic & Clinical Pharmacology 4 (6):1201-7. https://doi.org/10.18203/2319-2003.ijbcp20151359.