Johnson, stuart R. <br/><br/>
Developing individualized instructional material  : a self instructional material in itself 
Stuart R. Johnson 
 - California:  Washington Learning Press,  1970. 
 - v,108p. 
<br/><br/> PB 
<br/><br/><br/>Eng 
<br/><br/><label>Dewey Class. No.: </label>371.394  / JOD