(3EbgQ GdNLd hENJHGQGJ faSjg eJaQbI (B/ s - (3ShRGQjfj, aQGfShGs; (3TjNGfj, SejQs ((3HjQhJ (B: s (3OGQ GdLjd, s, 1993)
Keywords: (3GdUMI GdfaSjI(B. s; (3GdNLd(B. s