TY  - BOOK
AU  - Koch, Richard
TI  - The 80/20 principle: The secret of achieving more with less
SN  - 9781473656871
U1  - 650.1 
PY  - 2017///
CY  - London
PB  - Nicholas Brealey Publishing
KW  - Management
KW  - Time management; Labour productivity-Psychological aspects
ER  -