(3cJGH Gdhba hGdEHJOGA (B/ s - (3GdSLGhfOj, CHj YHO Gddg eMeO Hf WjahQ, s - 560(3g,s; (3OQhjT, eMSf gGTes ((3YeGf (B: s (3OGQ GdefGgL ddfTQ hGdJhRjY, s, 2001)
(3gPG GdcJGH CWQhMI OcJhQGg bOeJ Edi cdjI GdBOGH (B- (3GdLGeYI GdeSJfUQjI hbO fGd Hg eMbb OQLI GdOcJhQGI aj GddZI GdYQHjI hBOGHgG HJbOjQ GeJjGR(B.s
Keywords: (3Gdhba(B.s; (3GdESdGe(B. s; (3GdbQBf GdcQjes; (3ShQ GdbQBf(B. s; (3EYQGH GdbQBf(B. s