Simonson, Michael <br/><br/>
Teaching and learning at a distance. Foundations of distance education/ 
Michael Simonson...[et. al.] 
 - XXI, 362 p. \ 24 cm  fotografías 
<br/><br/> Incluye bibliografía 
<br/><br/><label>ISBN: </label>0-13-119630-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1.Educación a Distancia
<br/><br/><label>Dewey Class. No.: </label>371.35 S599t