000 00316nam a22001457a 4500
020 _a9780070700710
082 _bSAM/NOR
100 _aSamuelson Paul
245 _aEconomics
250 _a19th
260 _aNew Delhi
_bMcgraw hill Education
_c2015
300 _axxx, 916p
700 _aNordhaus William
942 _cBK
999 _c478
_d478