(3GdhSGFd GdeVGOI ddOHGHGJ h GdfGbdGJ (B/s - (3OjjGK , GhcJGajhs; (3eMeO UGdMis; (3SYjO SHjYIs ((3GdQjGV (B:s (3ecJHI GdYHjcGf ,s, 2003)
Keywords: (3GdOHGHGJs; (3GdUfGYGJ GdMQHjIs; (3GdeOQGYGJs; (3GdOHGHGJ GdHQeGFjIs