Workers' education and its techniques: a workers' education manual/ 
International Labour Office (Geneva). 
 - Geneva:  International Labour Office,  1976 
 - 199p. 
<br/><br/><label>ISBN: </label>9221001954 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Correspondance Education
<br/><br/><label>Dewey Class. No.: </label>374 INT-W