Tripathy,S.N. Fundamentals of Environmental Studies / by S.N. Tripathy and Sunakar Panda - 3rd ed. - Delhi: Vrinda Publication, 2017. - 275p. ISBN: 9788182812840 Subjects--Topical Terms: Biiogeochemical Cycles Bio statisticsEnvironmental Environmental Dewey Class. No.: 338 / TRI/F