TY  - BOOK
AU  - Beach, Kenneth M. 
AU  - Mager, Robert F
TI  - Developing Vocational Instruction
SN  - 0822420600
U1  - 370 
PY  - 1967///
PB  - Pitman learning, Inc.
KW  - Vocational development -- instruction process
KW  - Training and performance problems -- guide
ER  -