Suganthi, G. Environmental studies / G. Suganthi, G. Anitha - Chennai : Scitech Pubs., c2010 - 1v. (various pagings) : ill., map ; 24 cm. ISBN: 9788183712934(pbk.) Rs.125.00 Subjects--Topical Terms: Human ecology--Study and teachingEnvironmental sciences Dewey Class. No.: 304.2