Gadi, Ranu Environmental studies with experiments / [Book] : Dr. Ranu Gadi, Dr. Sunita Rattan and Dr. Sushmita Mohapatra. - 2nd ed. - New Delhi : S. K. Kataria & Sons, 2010. - x, 344 p. ; 24 cm. Includes index All. ISBN: 9788189757984 Subjects--Topical Terms: Environmental education.Environmental studies--elementary education. Dewey Class. No.: 372.357