TY  - BOOK
AU  - Vakil, Ravi 
ED  - Cleveland Institute of Electronics.
TI  - A mathematical mosaic: patterns & problem solving 
SN  - 9788189975555
U1  - 510 
PY  - 0000///Westland
CY  - New Delhi 
PB  - 2009
N1  - Includes references and index
ER  -