ONLINE PUBLIC ACCESS CATALOGUE (OPAC)
MARIS STELLA COLLEGE - THIMBIRIGASKATUWA

How to solve it

Polya . G

How to solve it - Anchor : New york ; 1957. - 253 p; 21 cm . 01 - 2025-02-18

0001229

POL

510

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Solution and developed by the NSLRC of National Science Foundation, Sri Lanka

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