(3GdJVGO ai GdbQBf GdcQje Hjf GdfXQjI hGdJWHjb (B/s - (3eMeO fhQ GdOjf GdefLOs ((3OeTb (B:s (3OGQ GdacQ,s, 1999)
. 272-263 (3HHdjhLQGajG(B: (3UaMGJ(B.s
Keywords: (3Yde GdeYGfis; (3GdTQjYI GdESdGejIs