(3ai GdJQHjI GdeSJeQI heMh GdGejI hJYdje GdcHGQ (B/ s - (3YHOGdZfi YHhOs ([S.N] : (3ecJHI GdfgVI GdeUQjI , s, 1992)
Keywords: (3eUQs; (3JYdje GdcHGQs; (3eMh GdGejIs