TY  - BOOK
AU  - Covey, Stephen R. 
TI  - The 7 habits of highly effective people: powerful lessons in personal change 
SN  - 9781471131820
AV  - 18889 
U1  - 158.1 22
PY  - 2013///
CY  - London, 
PB  - Simon and Schuster
ER  -