TY  - GEN
AU  - Willoughby, Stephen S.
TI  - Contemporary teaching of secondary school mathematics / 
U1  - 510,WIL 
PY  - 1967///
CY  - London
PB  - John Wiley
KW  - Mathematics
N1  - The history of mathematics education in the united states (Page-1),  Modern mathematics (Page-29), Teaching and learning:hints for the classrooms (Page-58), Number system and numeration system (Page-231), Circular function and trignometry (Page-323), Probability and statistics interference (Page-358), Calculus (Page-381), Teaching secondary school mathematics (Page-398)
ER  -