Nandakumar, Nalini Nayak D Padmanabhan, T P Unnikrishnan, M Amruth P Wetland resources of northern Kerala a case study of pazhayangadi and kunhimamgalam in Kannur district - Thiruvananthapuram CDS 2000 - 88 - Discussion paper NO 15 . Subjects--Topical Terms: KeralaWater ResourcesWetlands