PakCat catalogue record ENVIRONMENTAL SCIENCE By P.N. PALANISAMY Bibliographic details ISBN7893325819 PublisherPEARSON Publication placeNEW DELHI Publication year2019 Edition4TH Material typeBook Physical description0-275 Additional authorsP. MANIKANDAN SubjectsENVIRONMENTAL SCIENCE, NATURAL RESOURCES, ECOSYSTEM, ENVIRONMENTAL POLLUTION, WATER TREATMENT METHODS