Investing in rural extension  : strategies and goals 
/ ed. by gwyn E. Jones 
. - London  : elsevier, 1986
. - XIII-297 p.  ; 23 cm. 
<br/><br/>Bibliogr, index 
<br/><br/><label>ISBN: </label>1854660208 
<br/><br/><label>Source: </label> achat fact 6124 
<br/><br/><label>Universal Decimal Class. No.: </label>631.153.7