Pandey, S., Singh, C. M., Ranjan, A., Kumar, Y., Kumar, P., & Agarwal, N. (2018). Assessment of Cold Chain System for Routine Immunization of Primary Health centres of the Bhojpur district of Bihar. Indian Journal of Community Health, 30(2), 120–126. https://doi.org/10.47203/IJCH.2018.v30i02.005