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

 - Rome  Food and Agriculture Organization of the United Nations  1967 
 - 98p.  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education, Cooperative--Audio-visual aids
<br/><br/><label>Universal Decimal Class. No.: </label>659.148:374.2:63 BOT  / 2986