000 00294nam a2200121Ia 4500
008 221118b |||||||| |||| 00| 0 hin d
040 _cBGL
100 _aBala Sushmita
245 0 _aSamkaleen Sanchar Siddhant
260 _aDelhi
_bD.P.S Publishing House
_c2007
300 _a198p
942 _cHNJ
999 _c40789
_d40789