(3Yde GdELQGe (B:s (3OQGSI JMdjdjI aj GdJaSjQ GdGLJeGYj ddLQjeI (B/s - (3GdMSf, EMSGf eMeOs ([(3ecGf GdfTQ ZjQ eMOO(B] :s [(3GdfGTQ ZjQ eMOO(B](3,s, 2001)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B. s
Keywords: (3Yde GdELQGe s; (3GdLQjeI hGdeLQehfs