Man and his environment 
edited by O.C. Nwankiti 
 - Harlow  Longman  1981 
 - 178p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment<br/>Social conditions<br/>Technology
<br/><br/><label>Dewey Class. No.: </label>YA6 N979