Pre-proceedings :

Pre-proceedings : national seminar on environmental changes and sustainable development in 21st century: Uttarakhand Himalayan perspective [held at] HNB Garhwal University, Srinagar (Garhwal) [on] June 19th-21st, 1998. - [s.l. : s.n.] , [199-?] - 39p ; 24cm

Environment

333.7 / NAT/P

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