(3GdhSGFd GdbGfhfjI GdSdjeI (B/s - (3OjfjfL, CdaQjO JheShf, GddhQO,s (3h(B. 1899 s ((3HjQhJ (B:s (3OGQ GHf RjOhf ddWHGYI hGdfTQ hGdJhRjY,s, 1985)
Keywords: (3bGfhf GdELQGAGJ GdeOfjI hGdJLGQjI s