000 00247nam a2200097Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aJOSHI(SUNIL)
245 0 _aADVANCED MATHEMATICS-IV
260 _bVayu Publisher & Distributed
942 _2ddc
_cBTECH
999 _c7729
_d7729