TY  - BOOK
AU  - Sobel,Max A.
AU  - Maletsky,Evan M.
TI  - Teaching mathematics: a sourcebook of aids, activities, and strategies
SN  - 0138941394
AV  - QA11 .S663
U1  - 510/.7/12 
PY  - 1974///, c1975]
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Mathematics
KW  - Study and teaching (Secondary)
KW  - Local
N1  - 920306; Includes bibliographies
ER  -