333.7
V996P
           Vyas, Harishchandra
               Paristhitiki avam peryavaran \ Harishchandra Vyas - Jaipur : Panchsheel Prakashan, 2001.
               216p.
                ISBN: 81-7056-225-2

142516
                Subjects: Ecology; Environmental policy; Pollution; Environmental protection.