How to solve it
Polya, G
How to solve it G Polya - 23 - Prentice-Hall of India Pvt. Ltd., New Delhi 1985 - - .
Mathematics
510 POL-H2
How to solve it G Polya - 23 - Prentice-Hall of India Pvt. Ltd., New Delhi 1985 - - .
Mathematics
510 POL-H2