Singh, R. D.  <br/><br/>
Principles and practices of modern coal mining 

 - New Delhi   New Age International Publishers   2015 
 - 696 p 
<br/><br/><label>ISBN: </label>9788122409741 
<br/><br/><label>Subjects--Topical Terms: </label><br/>New Delhi 
<br/><br/><label>LC Class. No.: </label>TN 805 .S56/