(3GdKYHGf (B: (3MjhGfGJ PGJ OeGA HGQOI (B/ s - (3aJMj, JQGLjs ((3GdQjGV (B:s (3ecJHI GdYHjcGf,s, 1997)
Keywords: (3GdKYGHjfs; (3ehQahdhLjG GdMjhGfs; (3CWaGd eQMdI eJhSWI (B(6-9 (3SfhGJ(B)s