Pandey S, Singh CM, Ranjan A, Kumar Y, Kumar P, Agarwal N. Assessment of Cold Chain System for Routine Immunization of Primary Health centres of the Bhojpur district of Bihar. Indian Journal of Community Health [Internet]. 2018 Jun. 30 [cited 2025 Dec. 15];30(2):120-6. Available from: https://www.iapsmupuk.org/journal/index.php/IJCH/article/view/831