000 00260nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aShastri, K.N.
245 0 _aAddhayapak Shiksha
260 _aDelhi
_bPrerna Prakashan
_c2009
300 _a280p.
942 _cBK
999 _c12473
_d12473