Boyden, Stephen <br/><br/>
An integrative ecological approach to the study of human settlements/ by Stephen Boyden. 

 - Paris: UNESCO, 1979 
 - 87 p.; 27 cm. il. 
 - (MAB. Technical notes; 12) .
<br/><br/> Hong Kong Human Ecology Programme  Incluye bibliografía 
<br/><br/><label>ISBN: </label>923101689X 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>711.4 (512.317) =20 BOY No.12