(3MLjI GdhQbI GdQSejI h GdYQajI aj (B: s (3GdGKHGJ hWQb GdWYf YdjgG GdJRhjQ(B- (3GdGfcGQ(B- (3GdLgGdI (B/ s - (3YGHOjf, eMeO CMeOs ((3GdbGgQI (B: s (3OGQ GdcJH GdbGfhfjI, s, 1997)
Keywords: (3GdbGfhf GdLfGFj(B. s; (3GdELQGAGJ GdeOfjI(B. s; (3GdELQGAGJ GdLfGFjI(B. s; (3GdeMGce(B. s; (3eMGce GdESJFfGa(B. s; (3ELQGAGJ GdESJFfGa(B. s