000 00267nam a2200097Ia 4500
008 230421s9999 xx 000 0 eng d
100 _aTyagi (Onkar Singh) Sharma (Narendra Kumar)
245 0 _aGaneet Shikshan
260 _bArihant Shiksha Prakashan
942 _2ddc
_cBED
999 _c21699
_d21699