M. Sarkar, M. Hasan, M. Feardous, M. Shuhel, and M. Moniruzzaman, “Comparative economic analysis of borrwer and non-borrower Boro rice farmers in some selected sites of Mymensingh District”, Bangladesh J. Agric. Res, vol. 35, no. 1, pp. 65–76, Aug. 2010.