National environmental Act (Nos. 47 of and 57 of 1988) 

 - Colombo  Environmental Foundation  1991 
 - iv,62 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ACT<br/>ENVIRONMENTAL ACT<br/>SLC<br/>SOCIAL PROBLEMS
<br/><br/><label>Dewey Class. No.: </label>363.7  / SRI