(3GdJUhQ GddZhi YfO GdGSeGYjdjI (B:s (3OQGSI ai cJGH GdRjfI dGHi MGJe GdQGRj (B322 (3g` (B/s ([ (3GdGScfOQjI (B] : s (3efTGI GdeYGQa GdGSdGejI , s, 1985)
Keywords: (3GddZI GdYQHjIs; (3GdaQb GdGSdGejIs; (3GdaGXs; (3GdTjYIs; (3GdGSeGYjdjIs