Ingudam, D., H. K. Singh, and L. U. Devi. “Coverage Evaluation of the Universal Immunization Program in Imphal-East District of Manipur: A Cross-Sectional Study”. International Journal Of Community Medicine And Public Health, vol. 7, no. 5, Apr. 2020, pp. 1799-06, doi:10.18203/2394-6040.ijcmph20201984.