TY  - BOOK
AU  - Gretler,Armin
TI  - The training of adult middle-level personnel
AV  - HD5715 .G73
U1  - 658.31/243 
PY  - 1972///
CY  - Paris
PB  - Unesco
KW  - Occupational training
KW  - Supervisors
KW  - Industrial technicians
N1  - Label mounted on t.p.: Unipub, Inc., Box 433, New York, N.Y. 10016, exclusive U.S. distributor; Bibliography: p. 145-159
ER  -