Rao, S., S. Naftar, s Baliga, and B. Unnikrishnana. “Evaluation, Awareness, Practice and Management of Cold Chain at the Primary Health Care Centers in Coastal South India”. Journal of Nepal Paediatric Society, vol. 32, no. 1, Mar. 2012, pp. 19-22, doi:10.3126/jnps.v32i1.5946.