TY  - BOOK
AU  - Covey, Stephen
TI  - The 7 habits of highly effective people: Powerful lessons in personal change
SN  - 0-671-70863-5
U1  - 158.2 
PY  - 1990///
CY  - New York
PB  - Simon & Schuster
KW  - Principles of Marketing and Management
ER  -