Walker, David Addison,  1941- <br/><br/>
Understanding pictures  a study in the design of appropriate visual materials for education in developing countries 
David Addison Walker 
 - Amherst, MA  Center for International Education, University of Massachusetts  c1979 
 - xxvi, 380 p.  ill.  21 cm. 
<br/><br/> Originally presented as the author's thesis, University of Massachusetts, 1978-1979 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Developing countries<br/>Pictures in education<br/>Picture interpretation
<br/><br/><label>Dewey Class. No.: </label>370  / .9172  / 4