(3Gd ehJ Gh EjOjhdhLjG GdCQgGH GdaOGFj (B/ s - (3Yeh, SejQIs ((3HjQhJ (B:s (3GdeDSSI GdYQHjI ddOQGSGJ h GdfTQ h GdJhRjY,s, 1992)
Keywords: (3GdCSeGYjdjIs; (3GdaQb GdESdGejIs; (3Gd ehJ (B((3aQbI ESdGejI(B)s