de Guia, Eric O. <br/><br/>
A comparative study of fertilizer distribution systems in five devel oping countries /    
by Eric O. de Guia. 
 - Paris:   Development Centre of the OECD,   1972. 
 - 137 p. :    ill., tabs. ;    24 cm. 
 - Development Centre studies   .
<br/><br/>Includes bibliographical references (p. 131-137). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizer and manures ----Developing countries.----