TY - BOOK AU - Vidya Sagar, A . TI - Sustainable livelihoods: collection and marketing of NTFP by scheduled tribes with special reference to North Coastal Andhra Pradesh / SN - 978-81-8069-864-4 U1 - X:51.4425 PY - 2012/// CY - New Delhi : PB - Concept Publishing Company , KW - Sustainable development-India-Andhra Pradesh ER -