(3GdeYJbOGJ GdTYHjI Mhd GdGVQMI GdjghOjI (B/ s - (3ShRGf GdSYjO jhSas ((3GdGeGQGJ (B: s (3Yjf ddOQGSGJ hGdHMhK GdGfSGfjI hGdGLJeGYjI , s, 1997)
Keywords: (3GdebGHQs; (3GVQMI GdGFeI hGdGhdjGAs; (3GdehGdOs; (3GdGVQMIs; (3GdGWQMI, RjGQIs; (3GdjghOjI (B- (3eUQs; (3GdeYJbOGJ GdTYHjIs; (3jYbhH GHhMUjQIs