(3GdaSGO GdEOGQj heLJeY GdeSJbHd (B/s - (3TJG, GdSjO Ydjs ((3GdbGgQI (B:s (3ecJHI heWHYI GdETYGY GdafjI,s, 1999)
(3HHdjhLQGajI (B: (3U(B. 187-188.s
Keywords: (3EOGQI GdCYeGds; (3GdaSGO GdEOGQjs