TY  - BOOK
AU  - Wittrock,Merlin C.
ED  - American Educational Research Association
TI  - Handbook of research on teaching: a project of the American educational research association 
SN  - 0029003105 :
U1  - 371 
PY  - 1986///
CY  - New York
PB  - Macmillan
KW  - Education
KW  - Research
KW  - United States
N1  - A project of the American Educational Research Association; Includes index
ER  -