"id","author_first1","author_last1","title","year","type","university","place","keyword0","keyword1","keyword2","keyword3","keyword4" "1199","Mohammed Ahmad","Zabarah","Traditionalism vs. Modernity - Internal Conflicts and External Penetrations: A Case Study of Yemen","1976","dissertation","Howard University","Ann Arbor","1962","Tribes","YAR","YAR-Egypt","YAR-Saudi Arabia"