Blanckenburg, Peter von. <br/><br/>
Agricultural extension systems in some African and Asian countries :  an analysis of country reports / 
by Peter von Blanckenburg. 
 - Rome :  FAO of the United Nations,  1984. 
 - iii, 75 p. 
 - FAO economic and social development paper ; 46 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural extension work--Africa.<br/>Agricultural extension work--Asia.