(3GdEQgGH GdOhdj hGfYcGSGJg Ydi GdTQb GdChSW NdGd CQHYjf bQfkG (B/s - (3GdTQja, MSjfs ((3GdbGgQI (B:s (3GdgjFI GdeUQjI GdYGeI ddcJGH,s, 1997)
(3HHdjhLQGajI (B: (3UaMI (B813-836.s
Keywords: (3GdEQgGHs -- (3GdTQb GdChSWs; (3GdLQGFe GdSjGSjIs -- (3GdTQb GdChSWs