TY  - BOOK
AU  - Covey, Stephen R.
TI  - The 7 seven habits of highly effective people: powerful lessons in personal change 
SN  - 0-671-71117-2
U1  - 158.1 
PY  - 1989///
CY  - London,UK
PB  - Simon & Schuster
KW  - Conduct of life
ER  -