000 00360 a2200145 4500
005 20230607154931.0
050 _aQA63
_bPol
100 _aPolya, G.
245 _aHow to solve it : a new aspect of mathematical method /
_cG. Polya
501 _a14833
650 _aProblem solving
250 _a2nd ed.
260 _bPenguin Books
_c1985
942 _cBK
_oQA63 Pol
999 _c9825
_d9825