000 00311nam a2200121Ia 4500
008 220201s1993 xx 000 0 eng d
082 _a0
_bGUP
100 _aGupta , B,Reference ao .
245 0 _aBharatiya Earth Vyavstha ka Vikas /
260 _bArya Book Depot
_aNew Delhi
_c1993
300 _a323
942 _2ddc
999 _c7334
_d7334