(3GdeYLe GdcHjQ (B/ s - (3GdWHQGfi , GHhGdbGSe SdjeGf Hf GMeO Hf GjhH, (B873 - 971 (3es; (3MeOi YHOGdeLjO GdSdais ((3GdYQGb (B: s (3hRGQI GdGhbGa , s, 1984)
Keywords: (3GdMOjK (B- (3QhGjIs; (3Yde QhGjI GdMOjKs; (3GdUMGHI hGdJGHYhfs; (3Yde GdLQM hGdJYOjds; (3GdQhGg (B- (3JQGLes; (3GdGSfGOs