S. Sharmin, M. H. A. Rashid, R. Begum, and S. S. Hoque, “Relative profitability of farming systems research and development (FSRD) project farmers and non-project farmers of integrated farming systems in Tangail district of Bangladesh”, J Bangladesh Agric Univ, vol. 16, no. 1, pp. 117–122, Apr. 2018.