(3Gcdjd ef GdRghQ (B/ s - (3eMeO YHOGdSdGe GdYeQis ([S.N] : (3GUObGA GdcJGH , s, 1991)
Keywords: (3GdGOH GdYQHis; (3GdbUU GdYQHjIs; (3GdbUUs