Teaching school mathematics /
Teaching school mathematics /
edited by W. Servais and T. Varga.
- Harmondsworth : Penguin, 1971.
- 308 p. : ill. (some col.)
- A Unesco source book Penguin education .
0140800840
B71-23919
Mathematics--Study and teaching (Secondary)
QA11 / .S46
510/.71/2
0140800840
B71-23919
Mathematics--Study and teaching (Secondary)
QA11 / .S46
510/.71/2