(3GdefGgL Hjf GdCUGdI hGdJZQjH (B/s - (3LGf, eMeO UGdM Hf Ydj,s 1365 (3gLQjG(B-.s ((3ecI GdecQeI (B:s (3GdecJHI GdecjI ;s (3OGQ GdWajf,s, 1998)
(3HHdjhLQGajI (B: (3U(B. 313-319.s
Keywords: (3GdJYdjes -- (3efGgLs; (3GdJYdjes -- (3adSaIs