TY  - BOOK
AU  - Roam, Dan
TI  - Unfolding the napkin: the hands-on method for solving complex problems with simple pictures
SN  - 9781591843191
U1  - 658.403 
PY  - 2009///
CY  - London: 
PB  - Penguin Books Ltd.
KW  - audio-visual aids
KW  - imagining
KW  - looking
KW  - management
KW  - problem solving
KW  - seeing
KW  - showing
ER  -