TY  - BOOK
AU  - Kaufman,Josh
TI  - The first 20 hours: mastering the toughest part of learning 
SN  - 9780670921928
PY  - 2013///
CY  - London
PB  - Portfolio
KW  - Expertise
KW  - Learning, Psychology of
KW  - Self-help techniques
N1  - Includes bibliographic references
ER  -