WALKER, Decker F. Hess, Robert D. <br/><br/>
Instructional software: principles and perspectives for design and use 
/[by] Decker F.Walker, Robert D.Hess 
 - Belmont  Wadsworth pub.  1984 
 - xi, 308 p. 
<br/><br/> Includes references 
<br/><br/><label>ISBN: </label>534014593 
<br/><br/><label>Dewey Class. No.: </label>519.951  / WAL