Salpekar, Aaradhana Encyclopedia of Ecology and Environment Vol-5 Natural Resources Conservation - 14 - New Delhi Bharatiya Khadi Gramodyog Vikas Abhikaran 2007 - 312 HB - V . ISBN: 81-89775-00-6 Subjects--Topical Terms: General encyclopedic works(030) Dewey Class. No.: 030 SAL