TY  - BOOK
AU  - Mager,Robert F.
AU  - Beach,Kenneth M.JR
TI  - Developing vocational instruction
SN  - 0822420600
U1  - LC/1043 
PY  - 1967///
CY  - California
PB  - David S. Lake Publishers.
KW  - Vocational education -- Study and teaching.
ER  -