000 00289nam a2200121Ia 4500
005 20240713151420.0
008 240712s9999 xx 000 0 und d
041 _aeng
100 _aSavindra singh
245 _aSamudra vigyan
260 _aPrayagraj
_b Pravalile pub.
_c2020
300 _a472
999 _c34998
_d34998