Perera, M.Y.A. <br/><br/>
Performance Analysis of SMI II Scheme and Evaluation Guidelines for Future/  English. 
Perera, M.Y.A. 
 - Dehiwala:  Perera, M.Y.A.,  1989. 
 - vii, 140p.:  30cm. 
<br/><br/><label>Dewey Class. No.: </label>338.642  / PER