New trends in petrochemical research and development. 

 - Oxford :    United Nations Industrial Development Organization,    1 985. 
 - v, 53 p. :    ill. ;    30 cm. 
 - Sectoral working paper series ;    no. 38. .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Petroleum chemicals industry -- Developing countries.