Roam, Dan.
The back of the napkin : solving problems and selling ideas with pictures / Dan Roam. - New York : Portfolio, c2008. - viii, 278 p. : ill. ; 19 cm.
Includes bibliographical references and index.
9781591841999 (pbk.) 1591841992 (pbk.)
Problem solving--Audio-visual aids.
Management--Audio-visual aids.
Visualization.
Creative ability in business.
658.403 / ROA
The back of the napkin : solving problems and selling ideas with pictures / Dan Roam. - New York : Portfolio, c2008. - viii, 278 p. : ill. ; 19 cm.
Includes bibliographical references and index.
9781591841999 (pbk.) 1591841992 (pbk.)
Problem solving--Audio-visual aids.
Management--Audio-visual aids.
Visualization.
Creative ability in business.
658.403 / ROA