TY  - BOOK
AU  - Roam, Dan
TI  - Back of the napkin : solving problems and selling ideas with pictures
SN  - 9781591842699
U1  - 658.403 
PY  - 2013///
CY  - USA
PB  - Penguin Group
KW  - Problem solving - Audio - Visual aids
KW  - Management - Audio - Visual aids.
ER  -