Tonga :  country report for UNCED. 
 Country report for UNCED 

 - v, 54 pages :  maps ;  30 cm 
<br/><br/> "June 1992." 
<br/><br/>Includes bibliographical references (pages 53-54). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sustainable development--Tonga.<br/>Environmental policy--Tonga.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Tonga--Economic conditions.