Duncan, Craig <br/><br/>
Conservation of resources :  a critical review / 
Craig Duncan 
 - Universiti Kebangsaan Malaysia, Bangi :  F. S. K. K.,  1978 
 - 19 p. ;  24 cm. 
 - Siri mimeograf  5 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conservation of natural resources<br/>Environmental protection<br/>Human ecology<br/>Ecology