(3UjO GdNGWQ (B/s - (3GHf GdLhRj, YHO GdQMef Hf Ydj Hf eMeOs 508-597 (3gLQjs; (3jGSjf , YGeQ Hf Ydjs ((3GdQjGV (B- (3GdeedcI GdYQHjI GdSYhOjI (B:s (3OGQ GHf NRjeI ,s, 1998)
Keywords: (3GdhYX hGdEQTGOs