TY  - BOOK
AU  - Rue,Leslie W.
AU  - Byars,Lloyd L.
TI  - Supervision: key link to productivity 
SN  - 0256105251
AV  - HF5549 .R83 1993
PY  - 1993///
CY  - Homewood
PB  - Irwin
N1  - Includes bibliographical references and indexes
ER  -