International trade and the marketing of petrochemical. / 
The Unido secretariat. 
 - Austria:  United Nations industrial development organization,  1985. 
 - Various Pages:  Illustration,Graphs. 
<br/><br/><br/>In English 
<br/><br/> Pbk. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trade marketing<br/>Petrochemical
<br/><br/><label>Dewey Class. No.: </label>530 INT 1985