TY  - BOOK
AU  - Mitra, Debkumar
TI  - Mind stretch : stories about numbers maths puzzles and games
U1  - 793.73  MIT;1  R 
PY  - 2004///
CY  - Delhi
PB  - Penguin
KW  - Mind,stretch,:,stories,numbers,maths,puzzles,games
ER  -