Kumar, Pranav Fundamentals of Ecology and Environment / by Pranav Kumar and Usha Mina - 2nd ed. - New Delhi: Pathfinder Publication, 2019. - xiii, 260p. ISBN: 9788193465509 Subjects--Topical Terms: BiodiversityEcosystem EcologyEnergy FlowEnvironmental Science Dewey Class. No.: 577.0954 / KUM/F