English for business / 
T.G. Shelkova, L.A. Ljasetskaja a.o. 
 - Moscow :  International Relations ,  1971. 
 - parts. 
<br/><br/> P. 1 (1971, 364 p.)  P. 2 (1971, 279 p.)  P. 3 (1971, 334 p.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business