(3GdcTa Yf GdLQjeI (B/s - (3GdOQhj, RcQjGs ((3GdbGgQI (B:s (3OGQ GdeSJbHd GdYQHj,s, 1998)
(3HHdjhLQGajI (B: (3U(B. 213-216.s
Keywords: (3GdLQjeI hGdeLQehfs; (3GdJMbjb GdLfGFjs; (3Yde GdELQGes