Zhivkov, Todor. <br/><br/>
Marxist concepts and practices :  a series of lectures on theoretical problems and practical approaches to the construction of a developed socialist society in the People's Republic of Bulgaria / 
by Todor Zhivkov. 
 - Oxford ;  Pergamon Press,  c1984. 
 - xi, 201 p. ; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>008031841X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communism--Bulgaria.
<br/><br/><label>Dewey Class. No.: </label>335.4309499  / Ma