TY  - BOOK
AU  - Williams K R
TI  - The natural calculator: : using the natural processes of the mind for mental calculation
SN  - 9788120819610
U1  - 510 
PY  - 2003///
CY  - New Delhi
PB  - Motilal Banarsidass
KW  - Vedic Mathematics
KW  - Mathematics
KW  - Sciences
ER  -