UNEP-NHA settlements improvement project 

 - Diliman, Quezon City :  Planning Resources and Operations Systems,   Inc.  c1979 
 - various paging ;  28 cm. 
 = UNEP-NHA settlements improvement project 1979. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology--Envirnmental aspects--Developing countries.<br/>Green technology--Developing countries.