ONGC Bulletin / 
edited by Umesh Chandra Pradhan 
 - Dehradun :  Keshava Devamalaviya Institute of Petroleum Exploration Dehradun,  2018. 
 - 222p. :  ill. ;  26 cm. 
 - Vol. 53, No. 1  June 2018 
<br/><br/><label>ISSN: </label>05370094 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ONGC Bulletin
<br/><br/><label>Dewey Class. No.: </label>559.859  / PRA/O