Looking ahead in mathematics : a report of the Production seminar and conference on the improvement - detaljert visning

Looking ahead in mathematics : a report of the Production seminar and conference on the improvement of mathematics in the elementary school, December 7-12, 1959

Bok Engelsk 1959


Utgitt	Sacramento : California state department of education , [1959]
Omfang	VII,86 s.bl.ill.