TY - GEN AU - Rahman,S.M.A. TI - Benefit- cost and productivity analysis of major crops in Bangladesh - a case study in Savar Thana irrigation scheme KW - Cost analysis KW - Productivity KW - Crops KW - Irrigation KW - Yield KW - Varieties KW - Paddy KW - Jute KW - Musturd KW - Sweet potatoes KW - Human resources ER -