![](/img/cover-not-exists.png)
A Seminar on Problem Solving
Caleb Gattegno, Arthur Powell, Steve Shuller and Dick TahtaVolume:
2
Language:
english
Journal:
For the Learning of Mathematics
DOI:
10.2307/40240747
Date:
July, 1981
File:
PDF, 1.33 MB
english, 1981