Rigg, Robinson Peter <br/><br/>
Audiovisual aids and techniques in managerial and supervisory training / 
by Robinson P. Rigg; with an introductory chapter by P. J. O'Brien 
 - London  Hamilton  1969 
 - xi, 198 p.:  ill. ;  26 cm. 
<br/><br/>List of films: p. 191-195 Bibliography: p. 185-191 
<br/><br/><label>ISBN: </label>0241914396 
<br/><br/><label>LCCN: </label>73-466784 //r842 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Executives--Training of--Audio-visual aids<br/>Supervisors--Training of--Audio-visual aids