handbook of soroban
On Sale
$20.00
$20.00
A book containing the third, fourth, fifth and sixth levels, ready for printing, professionally designed in accordance with international standards.
This brochure is valid for:
This brochure is valid for:
- Institutes directors.
- Owners of educational societies.
- Parents and Educators.
- Coaches.
- Anyone who wants to train on.
- Mental arithmetic.