Kadarkar, Kalpak S., Shraddha R. Tiwari, and Gajanan D. Velhal. “Lots Quality Coverage Survey Technique for Assessment of Immunization Performance and Quality in an Urban Slum of Mumbai”. International Journal Of Community Medicine And Public Health 3, no. 1 (January 31, 2017): 174–179. Accessed November 13, 2025. https://www.ijcmph.com/index.php/ijcmph/article/view/668.