Modern Petrochemicals // 
Ali El-Shekeil 
 - Yemen :  Sana'a University ,  2013 
 - ix,193 pages :  ill ,  23cm 
<br/><br/> Includes references 
<br/><br/><label>ISBN: </label>9781490979694  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum chemicals.