Sagar, A. Vidya Sustainable Livelihoods Collection and Marketing of Ntfp by Tribes in North Coastal Andhra Pradesh / A. Vidya Sagar - 1st Edition - Chennai : Concept publishing , 2012 - 272 pages ISBN: 9788180698644 Subjects--Topical Terms: Ecology Dewey Class. No.: 333.950954 / VID