Ms. Mamata Thapa. Evaluating the Effect of a Structured Teaching Program on Mothers’ Knowledge of Optional Vaccination among Mothers of Children Under Five at a Selected Hassan Hospitals, Karnataka. the jour soc scie st rs [Internet]. 2023Oct.31 [cited 2024Sep.29];3(05):Page: 212-223. Available from: http://tjsssr.com/index.php/tjsssr/article/view/110