Premachandra, I. M. <br/><br/>
A Simplified Guide To LOTUS 123 

 - 5th 
 - Sri Lanka  Postgraduate Institute of Man  agement (PI1991 
 - ix, 191p. 
<br/><br/><label>ISBN: </label>955-9054-00-7 
<br/><br/><label>Dewey Class. No.: </label>5.7565