(3GdJQHjI GdhWfjI (B: s (3GdhWf h GdehGWf h GdfXGe GdSjGSj aj GdCQOf (B/ s - (3GdMVQej, YeQs; (3GdYOhGf, eUWais ((3YeGf (B:s (3OGQ eLOdGhj,s, 2002)
Keywords: (3JGQjN GdCQOfs; (3GdfXGe GdSjGSjs; (3GdLfSjIs; (3YgO Gdedc YHOGddg GdKGfj (B1999s