Osborne, C. W. and Trott, A. J. <br/><br/>
International yearbook of educational and instructional technology 1982/83 

 - London  Nichols publisher  1982 
 - 537p. 
<br/><br/><label>ISBN: </label>0850385504  £16.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>370  / OSB