Videocassettes in education and training  proceedings of a conference organised by the Association for Programmed Learning and Educational Technology ... July 4th 1973 
J. Leedham and A. J. Romiszowski. 
 - London  Kogan Page  1973 
 - 64 p. ; 22 cm. 
 - APLET occasional publications  no. 2 .
<br/><br/><label>ISBN: </label>7850383706 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Video tapes in education