(3JOQjS afhf GddZI GdYQHjIs - (3eOchQ(B. (3Ydj CMeOs ((3ecJHI GdadGMs (3chjJs, 1984)
Keywords: (3GddZI GdYQHjIs; (3JYdjes; (3HMKs; (3GddZI GdYQHjI (B- (3JOQjSs