000 00322nam a22001577a 4500
020 _a9780140124996
082 _a510.7
_bGEO/H
100 _aGeorge Polya
245 _aHow to Solve It
250 _a1st
260 _aNewdelhi
_bPenguin Books
_c2022
300 _a222
650 _aGENERAL
942 _cBK
999 _c3927
_d3927