TY  - BOOK
AU  - HILGERT, RAYMOND L,HAIMANN, THEO
TI  - SUPERVISION CONCEPT AND PRACTICES OF MANAGEMENT
SN  - 0-531-07920-7
U1  - 658.302 HAI'S 
PY  - 1977///
CY  - NEWYORK
PB  - SOUTH-WESTERN
ER  -