TY  - BOOK
AU  - Varga,Tamás
AU  - Servais,W.
TI  - Teaching school mathematics / 
T2  - A Unesco source book
U1  - 510.712 
PY  - 1971///
CY  - Harmondsworth
PB  - Penguin
KW  - Mathematics
KW  - Study and teaching (Secondary)
N1  - Bibliography: p. 289-298
ER  -