TY  - BOOK
AU  - Covey, Stephen R.
TI  - The seven habits of highly effective people: restoring the character ethic / 
SN  - 0-671-70863-5
U1  - 158 21
PY  - 1990///
CY  - New York, Estados Unidos de América
PB  - A Fireside Book, 
KW  - Psicología Aplicada
KW  - ddcri
ER  -