Krupskaya, Nadezhda. <br/><br/>
On labour-oriented education and instruction. 

 - Moscow :  Progress Publishers,  1985. 
 - 164p. 
<br/><br/> Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Working class--Study and teaching--Soviet Union.<br/>Working class--Study and teaching--Soviet Union.