MAHAJAN, H.; SRIVASTAVA, S.; NAGESH, S. Immunization coverage in an urban resettlement colony of district Gautam-Budh Nagar, Uttar Pradesh, India using WHO 30×7 cluster sampling technique. International Journal Of Community Medicine And Public Health, [S. l.], v. 4, n. 11, p. 4089–4095, 2017. DOI: 10.18203/2394-6040.ijcmph20174660. Disponível em: https://www.ijcmph.com/index.php/ijcmph/article/view/2131. Acesso em: 23 oct. 2025.