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 ROA 2009 
PY  - 2009///
CY  - New York : 
PB  - Portfolio
KW  -  Problem solving
KW  - Audio-visual aids
KW  - Management
N1  - Includes index; Looking -- Seeing -- Imagining -- Showing -- Appendix : my visual answers to particularly challenging exercises -- Index
ER  -