London 

 -  2016  62 p. :ill. ; 29 cm. 
 - Petroleum industry and trade--Periodicals.   
<br/><br/><label>ISSN: </label>HD 9560.1 .P48/ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SR
<br/><br/><label>LC Class. No.: </label>Petroleum economist