TY  - BOOK
ED  - United Nations Educational, Scientific and Cultural Oraganization(29th:1956:Geneva)
TI  - Teaching of mathematics in secondary school: comparative study
U1  - 373 21st
PY  - 1956///
CY  - Paris
PB  - UNESCO
KW  - Education,Secondary; Mathematics-Study and teaching
N1  - XIXth International Conference on public education, Geneva 1956
ER  -