Bondar, D. <br/><br/>
Simplified Russian method  
 Bondar's simplified Russian method  

 - 7th ed. 
 - New York :  Pitman Pub. Corp.,  1949. 
 - 408 p. 
<br/><br/> Incluye índice. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>RUSO