(3QMdI GdTQb hGdZQH (B: (3SGaQJ ai GdGfSGf hGdecGf hGdReGf (B/ s - (3fYeGJ GMeO aDGOs ((3GdbGgQI (B: s (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1986)
Keywords: (3QMdGJ Mhd GdYGdes; (3hUa hQMdGJs