Rhoades, Robert E., 1982. 

 -   38 cm. 
 -   File 
<br/><br/> Paid up registered users. 
<br/><br/> Paper by Robert E. Rhoades - The art of the informal agricultural su rvey. 
<br/><br/>AR/MISR/106/7 
<br/><br/><br/>English 
<br/><br/> Shelf no.1