TY  - BOOK
AU  - Covey,Stephen R.
TI  - Principle-centered leadership
SN  - 9780743468602
AV  - BF637.S8.C6 2002 
PY  - 2002///
CY  - London
PB  - Pocket Books 
KW  - Success psychology
KW  - Success;psychological aspects
ER  -