Sarkar, Avir, Kallol Kumar Roy, Rinchen Zangmo, Aarthi K. Jayraj, Durga Kaushik, and Rakhi Rai. “Reaching the One Billion Mark: Accomplishing the Success Story of COVID Vaccination through Public Interrogation”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 11, no. 5 (April 27, 2022): 1521–1524. Accessed October 13, 2025. https://www.ijrcog.org/index.php/ijrcog/article/view/11572.