Alden, Jay. <br/><br/>
Backward chaining  teaching task performance 
Jay Alden. 
 - Englewood Cliffs, N.J.  Educational Technology Publications  c1978. 
 - xii, 69 p.  ill.  24 cm. 
 - The Instructional design library  v. 6 .
<br/><br/>Bibliography: p.67-69. 
<br/><br/><label>ISBN: </label>0877781109 
<br/><br/><label>LCCN: </label>77025132  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Activity programs in education
<br/><br/><label>LC Class. No.: </label>LB1027  / .A42 
<br/><br/><label>Dewey Class. No.: </label>371.3