000 00534nam a22001577a 4500
003 SGT
082 _a363.7, CHO
100 _aCHOPRA,G
245 _aENVIRONMENTAL STUDIES
250 _a1ST
260 _aJALANDHAR
_bPRADEEP PUBLICATIONS
_c2008
300 _a232
650 _aSOCIAL PROBLEMS & SERVICES, ENVIRONMENTAL
653 _aENVIRONMENTAL STUDIES, NATURAL RESOURCES, ECOSYSTEMS, BIODIVERSITY AND ITS CONSERVATION, ENVIRONMENTAL POLLUTION, SOCIAL ISSUES AND ENVIRONMENT, HUMAN POPULATION AND THE ENVIRONMENT
942 _2ddc
_cFCM
999 _c8855
_d8855