Gupta, V. ., D. . Mohapatra, and V. . Kumar. “Assessment Of Vaccine Wastage in A Tertiary Care Centre of District Rohtak, Haryana”. National Journal of Community Medicine, vol. 6, no. 03, Sept. 2015, pp. 292-6, https://www.njcmindia.com/index.php/file/article/view/1195.