TY  - BOOK
ED  - International Commission on Mathematical Instruction.
ED  - Unesco.
TI  - New trends in mathematics teaching
T2  - The teaching of basic sciences. Mathematics
SN  - 923101546X (V-4)
U1  - 510.7 
PY  - 1967/// [Impression 1979]
CY  - Paris : 
PB  - Unesco, 
KW  - Mathematics
KW  - Study and teaching
N1  - Includes bibliographies;  Vol.-1--v--2--v-.-3--v--4--
ER  -