(3GdJYQja HGdbQBf hGdMOjK(B/s - (3eMeO GdRaRGas ((3GdchjJ (B:s (3ecJHI GdadGM,s, 1979)
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbQBf (B-(3Ydhe (B- (3GdMOjK s; (3GdTQjYI GdESdGejI s