India, tariff commission. Pai,M.P <br/><br/>
Report on prices of coal and soft coke and pricing system for washed coal and washery by -products / Tariff commission 

 - New Delhi  Government of India  1967 
 - xx, 325p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Prices - coal - report<br/>Production economics