TY  - BOOK
AU  - Koch, Richard
TI  - 80/20 Principle : the secret of achieving mor with less
SN  - 9781473656871
U1  - 650.1 
PY  - 2017///
CY  - London
PB  - Nicholas Brealey
KW  - Time management
KW  - Industrial efficiency - Psychologycal aspests
KW  - Conduct of life
ER  -