000 00263nam a2200109Ia 4500
008 230125s9999 xx 000 0 und d
100 _aBHATNAGAR SURESH
_97530
245 0 _aLEARNING AND TEACHING
260 _bR. LAL BOOKS MEERUT
300 _a694
942 _cBK
999 _c111346
_d111346