"id","author_first1","author_last1","title","year","publication","volume","issue","pages","keyword0","keyword1","keyword2","keyword3","type" "1518","Patrick","Labaune","Démocratie tribale et système politique en République Arabe du Yémen","1981","Revue Francaise de Science Politique","31","4","745-68","Al-amdi","Ibrahim","Tribal","Tribes","journal"