(3GdCSdhH GdGbJUGOj GdESdGej dehGLgI eTcdI GdEKQGA ZjQ GdeTQhY dehXaj GdMcheI hGdbWGY GdYGe (B/s - (3OcJhQ Hjdj EHQGgje CMeO GdYdjej(B.s ({(3ecGf GdfTQ ZjQ eMOO(B} :s {(3GdfGTQ ZjQ eMOO(B}(3,s, 2004)
(3HHdjhLQGajG (B: (3UaMGJ (B543-546.s
Keywords: (3GdGbJUGO GdESdGej(B.s