Krishna,P.Sai <br/><br/>
Process control engineering 
P.SaiKrishna 
 - New Delhi  I.K.International Pub. House Pvt.Ltd.  2011 
 - xiv,248 
<br/><br/><label>ISBN: </label>9380026398 
<br/><br/><label>Dewey Class. No.: </label>629.843  / KR-P