TY  - BOOK
AU  - Koch, Richard.
TI  - The 80/20 principle: the secret to achieving more with less
SN  - 9780385491747
U1  - 650.1 
PY  - 2017///
CY  - New York
PB  - Currency
KW  - Conduct of life
KW  - Industrial efficiency
KW  - Time management
ER  -