"Krupskya, N. K." <br/><br/>
Siksha 

 - Moscow  Videshi Bhasha Prakshan Graha  1956 
 - 296 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>GL H 370.947 Kru