(3GdecJHI GdLGeYjI (B: s (3fTGJgG, JWhQgG, GgOGagG, hXGFagG (B/s - (3SYjO GMeO MSfs ((3HjQhJ (B:s (3OGQ GdLjd,s, 1992)
Keywords: (3GdecJHGJs; (3GdecJHGJ s -- (3JfXje hGOGQIs; (3GdecJHGJ GdLGeYjIs