(3deGPG JQGLY GdYQH (B/ s - (3GdJd, CMeO jhSas ((3YeGf (B:s [(3O(B.(3f(B](3,s, 2000)
Keywords: (3JGQjN GdYQHs; (3GdfRGY GdYQHj GdESQGFjdjs; (3GdCMhGd GdSjGSjIs; (3GdHdOGf GdYQHjIs