Botham, C.N. <br/><br/>
Audio visual aids for cooperative education and training  

 - Rome:  FAO,  1967 
 - x, 98p.;  23cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audio visual and visual material and equipment
<br/><br/><label>Dewey Class. No.: </label>371.355  / BOT