(3GdShb GdChQhHjI GdeTJQcI h CReI GdTQb GdChSW (B/ s - (3GdTfhGfj, CejQI eMeOs ((3GdbGgQI (B:s (3GdgjFI GdeUQjI GdYGeI ddcJGH,s, 1987)
Keywords: (3ChQhHGs; (3GdEJaGbjGJ GdJLGQjIs; (3GdShb GdChQhHjI GdeTJQcIs