(3QMdI YeGf GdeYeGQjI (B/s - (3GHf GdRHjQ, eMeO(B.s ((3SdWfI YeGf (B:s (3HGR ddfTQ,s, 2013)
(3HHdjhLQGajI (B: (3U(B. 469-473.s
LB-AJLLC-9173
Keywords: (3GdYeGQIs -- (3JGQjNs -- (3YeGf (B((3SdWfI(B)s; (3YeGf (B((3SdWfI(B)s -- (3BKGQ(B.s