(3GdETQGa GdJQHhj (B: ( (3eagheg(B.(3h fXQjGJg(B.(3h CSGdjHg(B) / s ( (3eagheg(B.(3h fXQjGJg(B.(3h CSGdjHg(B) / s - (3GdSYhO, QGJH s ((3YeGf (B: s (3WGQb ddNOeGJ GdecJHjI, s, 2007)
Keywords: (3GdEOGQI GdJQHhjI(B. s; (3GdJhLjg GdJQHhj(B. s