Ryazanskaya, S  .  <br/><br/>
Theories of Surplus Value.Part-I /  S.Ryazanskaya. 

 - 3rd ed /  
 -  Moscow : Progress Publishers ,   1975 
 - 44 ; NULL. 
<br/><br/><label>Dewey Class. No.: </label>335.4  / RYA