SRI LANKA Standrard Institution <br/><br/>
Sri Lanka standrard 1986 year book / 
Sri Lanka Standrard Institution 
 - Colombo  Sri Lanka Standrard Institution  1986 
 - iv, 98 p. 
<br/><br/><label>ISBN: </label>92146 
<br/><br/><label>Dewey Class. No.: </label>17  / SRI