Deribas,L A <br/><br/>
русский язык на курсах :russkiy yazyk na kursakh /Russian language courses 

 - Moscow  Russky Yazik  1982 
 - 273p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Russian language
<br/><br/><label>Dewey Class. No.: </label>491.78242  / DER/R