(3GdbQO ejehf GeGe GdeMceI (B/ s - (3eMeO bOQi dWais; (3YHOGdaJGM TdHis; (3GdSjO GMeO GdYLGfs ([S.N] : (3OGQ GdeYGQa , s, 1990)
Keywords: (3GdGWaGds; (3GdbUUs; (3bUU GdGWaGds; (3GdGWGQGJ GdeYOfjIs