Problem solving - Audio-visual aids.
Overview
| Works: | 2 works in 2 publications in 2 languages | |
|---|---|---|
Titles
The back of the napkin : = solving problems and selling ideas with pictures /
by:
(Language materials, printed)
Unfolding the napkin : = the hands-on method for solving complex problems with simple pictures /
by:
(Language materials, printed)