(3GdRghQ JMGhQ GdCWaGd (B/ s - (3efbhQ, djdis ((3HjQhJ (B:s (3GdeDSSI GdYQHjg ddOQGSGJ h GdfTQ h GdJhRjY,s, 1982)
Keywords: (3GdZfGAs; (3GdCWaGds