Rowntree, Derek. <br/><br/>
Teaching through self-instruction :  how to develop open learning materials / 
Derek Rowntree. 
 - Rev. ed. 
 - London :  Kegan Paul,  1990. 
 - 389 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>1850919577  * 
<br/><br/><label>LCCN: </label>89-049775 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Distance education.<br/>Self-culture<br/>Instructional systems--Design.<br/>Teaching--Aids and devices.