Unesco's programme for arid lands 
Departments of Mass Communication  
 - Paris  Unesco  1958 
 - 31 p.  28 cm. 
 - Unesco information manual  3 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>United Nations Educational, Scientific and Cultural Organization - Manual<br/>Arid regions agriculture - Economic<br/>Arid land.
<br/><br/><label>Dewey Class. No.: </label>333.73  / UNI-U