TY  - BOOK
AU  - FEHR HOWARD F.
AU  - ORGANISTION FOR ECONOMICS COOPERATION AND DEVLOPMENT
ED  - ORGANISTION FOR ECONOMICS COOPERATION AND DEVLOPMENT
TI  - Mathematics today:  Aguide for teachers   
T2  - Its New Thinkers In School Science
U1  - B, K4 
PY  - 1964///
KW  - Mathematics
ER  -