3G E-Learning <br/><br/>
3G Handy guide :  bar operations / 

 - New York :  3G E-Learning,  2019. 
 - 213 pages; 
<br/><br/><label>ISBN: </label>9781984624475 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bar<br/>Operations
<br/><br/><label>Dewey Class. No.: </label>LUO 641.874 T41