00511nam a2200193Ia 4500003000400000005001700004008004100021020001500062040000700077041000800084082001500092100002500107245006600132260004500198300001600243365001300259650001400272650003100286OSt20230405153435.0210423s2001    xx            000 0 und d  a8170238641  cAL  aeng  a333.7 SENR  aSENGUPTA (Ramprasad)  aEcology and economics: an approach to sustainable development  aNew DelhibOxford University Pressc2001  axvi,264bPB  b275cINR  aEconomics  aNatural Resources & Energy