Bhardwaj, A K, B P Gupta, D D Rana, H M Swami, and N K Vaidya. “Immunization Services In Rural Population Campaign Vs Clinical Approach”. Indian Journal of Community Health 6, no. 3 (December 31, 1990): 70–74. Accessed November 24, 2024. http://iapsmupuk.org/journal/index.php/IJCH/article/view/10.