TY  - BOOK
AU  - BETTS,P.W.
TI  - SUPORVISORG STUDIES: A MANGERIAL PERSPECTIVE / 
U1  - 658 
PY  - 1989///
CY  - [S.N] : 
PB  - PITMAN PUBLISHING ، 
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KW  - BUSINESS
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KW  - ADMINSTRATION
KW  - TRAINING
ER  -