(3GdeYQaI hGdEJLGgGJ HGdbVGjG GdScGfjI Hjf WdHI GdKGfj GdKGfhj (B((3GdJhLjgj(B) (3aj eOjfI YeGf GdcHQi (B/ s - (3GdeOGfGJ, djf fSjes ((3YeGf (B:s, 1992)
/(3QSGFd GdeGLSJjQs
Keywords: (3GdOjehZQGajGs; (3GdYhGed GdLZQGajIs; (3GdCHMGKs; (3CSGdjH GdHMKs; (3GdJQHjIs; (3GdWdGHs; (3GdCOHs