Obuasi,  Peter <br/><br/>
Petrochemicals. 

 - Nsuka  Great AP Express  publications.  2012 
 - 113p. :ill.; 21cm 
<br/><br/> Includes indexP 
<br/><br/><label>ISBN: </label>9788087723 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum chemicals
<br/><br/><label>LC Class. No.: </label>TP692.3.O28 2012