TY  - GEN
AU  - Wittrock,Merlin C.(ed)
TI  - Handbook of research on teaching: : a project of the american educational research association
SN  - 0029003105
U1  - 371.107072 
PY  - 1986///
CY  - New York 
PB  - Macmillan publishing company
KW  - Education - Research - United States
N1  - HB
ER  -