1. Anand, S., & Barnighausen, T. (2007). Health worker and vaccination coverage in developing countries: An econometric analysis. Lancet, 369(9569), 1277–1285.
2. Anwar, A. T. M. I., Killewo, J., Chowdhury, M. K., & Dasgupta, S. K. (2004). Bangladesh: Inequalities in utilization of maternal health care services: Evidence from Matlab. Health, Nutrition and Population (HNP) Discussion Paper, Reaching the Poor Program Paper No. 2, Washington, DC: World Bank.
3. Basu, R. N. (1985). India’s immunization program. World Health Forum, 6, 35–38.
4. Boerma, J.T., & Bicego, G. T. (1994). The quality of data on child immunization in DHS-I surveys: An assessment of the quality of health data in DHS-I surveys. DHS Methodological Reports. Calverton, MD: Macro International and Bombay: Himalaya Publishing House.
5. Bronte-Tinkew, J., & Dejong, G. F. (2005). Do household structure and household economic resources predict childhood immunization? Evidence from Jamaica and Trinidad and Tobago. Population Research and Policy Review, 24, 27–57.