(3GdCTHGg hGdfXGFQ ai GdbQBf GdcQje (B/s - (3SdjeGf GdHdNis; (3YHOGddg eMehO TMGJgs ((3GdbGgQI (B:s (3hRGQI GdKbGaI, GdecJHI GdYQHjI,s, 1975)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbQBf GdcQje hGdYdhe GdbQBfjIs; (3GdTQjYI GdESdGejIs