Computers in education :  proceedings of the IFIP TC-3 3rd World Conference on Computers in Education, Lausanne, Switzerland, July 27-31, 1981 / 
edited by Bob Lewis, Donovan Tagg 
 - Amsterdam :  North-Holland Publishing Company,  1981 
 - 876 p. :  ill. ;  27 cm. 
<br/><br/>Includes bibliographies 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Data processing--Congresses<br/>Computer managed instruction--Congresses<br/>Electronic data processing--Congresses