(3eYLe GdChGNQ aj JGQjN GdYQH hGdeSdejf (B/s - (3GdSjO, aDGO UGdM(B.s ((3HjQhJ (B:s (3OGQ GdefGgd ddWHGYI hGdfTQ hGdJhRjY,s, 2001)
(3HHdjhLQGajI (B: (3U(B. 427-437.s
Keywords: (3GdeSdehfs -- (3JQGLes -- (3eYGLes; (3GdYQHs -- (3JQGLes -- (3eYGLes