000 00325nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c128
040 _aET
100 _aBhatnagar S.K.
245 0 _aKaryashala Ganna & Vigyan
260 _bArihant Publication
_aMeerut
300 _a576
500 _a57114
942 _cBK
999 _c63127
_d63127