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5.Jha, G.K., Palanisamy, V., Sen, B., Choudhary, K. and Kumar, A. 2018. Abridging the yield gap in eastern Indian states: Issues and challenges. Paper presented in the 38th International Conf. of Agricultural Economists, Vancouver, Canada.

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11.Singh, S.K., Singh, K.M., Singh, R.K.P., Kumar A. and Kumar, U. 2014. Impact of rainfall on agricultural production in Bihar: A zone wise analysis. Environment & Ecology, 32(4A): 1571-1576.

12.Udmale, P., Ichikawa, Y., Manandhar, S., Ishidaira, H. and Kiem, A.S. 2014. Farmers perception of drought impacts, local adaptation and administrative mitigation measures in Maharashtra State, India. International Journal of Disaster Risk reduction, 10: 250-269.