Educational tours :  a guide for extension and village workers in many countries / 
Federal Extension Service, U.S. Dept. of Agriculture, in cooperation with Agency for International Development, U.S. Dept. of State. 
 - [S.l.] :  Federal Extension Service, U.S. Dept. of Agriculture,  1967. 
 - 12 p. : ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural extension work.