Zuloaga Albarrán, Alberto. <br/><br/>
Subsistence farmers'participation in agricultural development planning  : a coorientational approach 

 - Madison, Wis. :  The Author,  1981 
 - 451 h. 
<br/><br/> Thesis (Doctor of Philosophy) -- University of Wisconsin - Madison 
<br/><br/><label>LCCN: </label>56683 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comunicación en agricultura.<br/>Política agrícola--México.