00435nam a2200157Ia 4500008004100000020001500041082001700056100001600073245003400089260005000123300000800173650001400181650002000195653003800215700002400253170901s2007    xx            000 0 und d  a8131300889  a333.72bQ-3N  aQazi, S. A. 0aNatural Resource Conservation  aNew DelhibA P H Publishing Corporationc2007  a452  aEconomics  aSocial sciences  aConservation of natural resources  aQazi, Navaid Shabir