(3QhGjGJ GdeOdSjf aj UMjM eSde (B:s (3LeYgG(B-(3JNQjLgG(B-(3GdcdGe YdjgG (B/s - (3GdNda, YhGO MSjfs; (3GdEeGe eSde, eSde Hf GdMLGL Hf eSde,s 204-261 (3g`(B.s ((3HjQhJ (B:s (3OGQ GdHTGFQ GdESdGejI ddWHGYI hGdfTQ hGdJhRjY,s, 2000)
(3GdCUd CWQhMI (B((3eGLSJjQ(B)-(3LGeYI GdchjJ, cdjI GdOQGSGJ GdYdjG, (B1998.s
Keywords: (3GdMOjKs -- (3GdLQM hGdJYOjds; (3GdMOjKs -- (3ESfGOs; (3GdMOjKs -- (3GdcJH GdSJIs; (3GdMOjKs -- (3ESfGO VYjas