Amin, M.S. et al. 2018. Factors Affecting Uptake of Routine Immunization Among Children Age 12-23 Months in District Rahimyar Khan, Punjab, Pakistan. The International Journal of Frontier Sciences. 2, 1 (Jan. 2018), 31–50. DOI:https://doi.org/10.37978/tijfs.v2i1.32.