(3GdeTQhYGJ GdHMKjI GdeOYheI (B: (3eTQhY eQGbHI GdLhOI GdHjFI aj hOGj YQHI (B/ s ((3YeGf (B:s (3GdLeYjI GdYdejI GdedcjI,s, 1995)
Keywords: (3GdgfOSI GdUMjIs; (3GdHjFIs; (3JGQjN adSWjfs