TY  - GEN
AU  - Certo,Samuel C.
AU  - Ross Roger L
TI  - Principles of modern management: functions and systems 
SN  - 0697080331
AV  - HD31 
U1  - 658 
PY  - 1980///
CY  - Dubuque, Iowa
PB  - W. C. Brown Co.
KW  - Management
N1  - Includes bibliographies and index
ER  -