Ellington, Henry <br/><br/>
Producing teaching materials  a handbook for teachers and trainers 
Henry Ellington and Phil Race 
 - 2nd ed. 
 - London  Kogan Page  1993 
 - 249 p. : ill. ; 24 cm. 
<br/><br/><label>ISBN: </label>0749403934 
<br/><br/><label>LCCN: </label>92-044136 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audio--visual materials.<br/>Instructional systems--Planning.