Johar Neelam <br/><br/>
Determinants of costs and productivity in coal min 
Johar Neelam 
 - Delhi  University of Delhi India      1983 
 - 76p. Bib p 75-76  cm. 
<br/><br/><label>Standard No.: </label>88812 
<br/><br/><label>Source: </label> Thesis and Dissertations 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Minings
<br/><br/><label>Dewey Class. No.: </label>"X9(HZ551):26.216.N8, M3"