Espich, James E. <br/><br/>
Developing programmed instructional materials :  A handbook for program writers / 
James E. Espich, Bill Williams. 
 - London :  Sir Isaac Pitman and Sons,  c1967. 
 - vi,138 p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>          Programmed instruction--Authorship.
<br/><br/><label>Dewey Class. No.: </label>370.777   / ESP