Roy, Ranjan,Sarkar, Bappa2018-10-102018-10-102018https://ir.nbu.ac.in/handle/123456789/2681271p.enIrrigation of the Koch Bihar DistrictIrrigation on Agriculture and Economy of the farmerEvolution of irrigationProblems and prospects of irrigation in Koch Bihar District, West Bengal- Geographical analysisThesis300659TH 631.587095414/S243p