000 00266nam a2200097Ia 4500
008 160930s9999 xx 000 0 und d
100 _aMangal, S. K. , Mangal, Uma and Mangal, Shubbhra
245 _aShikshan Takniki
260 _aNew Delhi
_bArya Book Depot
942 _cBK
999 _c4885
_d4885