Book Soroban in America
Soroban in America / Author Belva Sullivent Martinez (California, US) / Printed 1977~1980 / Published by The League for Soroban Education of Japan Inc. / Kyoto Japan / English / ~130 pages
July 21, 2024Personal collection of vintage and modern Abacuses / Abaci.
Soroban in America / Author Belva Sullivent Martinez (California, US) / Printed 1977~1980 / Published by The League for Soroban Education of Japan Inc. / Kyoto Japan / English / ~130 pages
July 21, 2024