"id","author_first1","author_last1","title","year","type","university","place","keyword0","keyword1","keyword2","keyword3"
"1101","Tarek K.M.","Aghabri","The Training and Visit Agricutural Extension System in the Tihama Plain Region of Yemen: Perceptions of Contact Farmers and Extension Workers (Agricultural Extension)","1990","dissertation","Michigan State University","Ann Arbor","Agriculture","Education","PDRY","Training"