(3EOGQI SdhcjGJ GdCaQGO aj GdefXeGJ s - (3eMeO YHO GdZaGQ s (3eOQS EOGQI GdCYeGd cdjI GdJLGQI (B_ (3LGeYI GdbGgQI HGdNQWhe s ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI (B,s, 1990)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
Keywords: (3GdEOGQI GdYGeI ddCYeGd s; (3JMdjd SdhcjGJ s