Williams K R
The natural calculator: using the natural processes of the mind for mental calculation/ by Williams K R - New Delhi: Motilal Banarsidass, 1991. - 85p.
9788120819627
Vedic Mathematics
Mathematics
Sciences
510 / WIL/N
The natural calculator: using the natural processes of the mind for mental calculation/ by Williams K R - New Delhi: Motilal Banarsidass, 1991. - 85p.
9788120819627
Vedic Mathematics
Mathematics
Sciences
510 / WIL/N