Interregional Seminar on Development Planning. <br/><br/>
Regional planning : report of the Sixth Interregional Seminar on Development Planning at Quito, Equador from 20 September - 1 October, 1971 

 - New York  United Nations  1973 
 - v.; 28cm. 
<br/><br/> Library has report of the Sixth Interregional Seminar 1971, only 
<br/><br/><label>Dewey Class. No.: </label>DB309.23  / SIX