Helsel, Sandra K. <br/><br/>
Interactive optical technologies in education and training :  markets and trends/ 
Sandra K. Helsel 
 - Westport, Conn. :  Meckler,  1990 
 - xi, 136 p.;  23 cm. 
 - Supplements to optical information systems  8 .
<br/><br/> Glossary:p. 123 - 125 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>088736392X  £ 25.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology industries<br/>Instructional materials industry<br/>Audio-visual equipment industry<br/>Computer industry<br/>Market surveys
<br/><br/><label>Dewey Class. No.: </label>381.45658312404