00382n a2200157 a 4500 B B 000996 20220201162215.0 333.7 M3 ECO The Environmental Concern Delhi Deptt. of Environment Concept 1983 508p. Environmental economics,Economics Bhatia, SC T 0 0 0 0 SGGSCC SGGSCC 2020-09-22 0 333.7 M3 ECO 1213 2020-09-22 00:00:00 2020-09-22 BK 992 992