TY  - BOOK
AU  - UNESCO
ED  - UNESCO
TI  - New trends in mathematics teaching
T2  - Teaching of basic sciences
SN  - 9231010166
U1  - T:3(B), L2.3 
PY  - 1972///
CY  - Paris
PB  - UNESCO France       
KW  -  EDUCATION
KW  - TEACHING
ER  -