Ils ont dit
 
                                                                                               Montesquieu.
                                                                                                  T.S. Eliot 1935
                                                                                                     Ibn Khaldun
                                                                                                  (1332-1406)                      
                                                                                                     PaulReuter. 
                      (Research Output :Japan's Programmes for the 1990's,NIRA.Tokyo, 1988).