TY  - BOOK
AU  - Mager,Robert F.
AU  - Beach, Kenneth M. 
TI  - Developing vocational instruction / 
SN  - 0822420600 
U1  - 370.113 23
PY  - 1967///.
CY  - Belmont, CA : 
PB  - David S. Lake Publishers, 
KW  - Vocational education -- Study and teaching.
ER  -