Holmberg, Borje <br/><br/>
Theory and Practice of Distance Education 

 - London :  Routledge,  1989. 
 - xi,252p.;  22cm 
<br/><br/><label>ISBN: </label>0415009960 
<br/><br/><label>Subjects--Topical Terms: </label><br/>School Education
<br/><br/><label>Dewey Class. No.: </label>371.3  / HOL