(3GdTdd GdOeGZj (B/ s - (3CHh Ydje, EHQGgje MSjfs; (3GdYHGOj, EjGS YWjIs ((3EUOGQ GdLeYjI GdNjQjI dQYGjI GdeYhbjf aj YfjRI,s, 2001)
Keywords: (3GdTdd GdOeGZjs; (3GdCeQGVs; (3GdOeGZs