(3GdHdGZI GdYQHjI(B: (3JGQjNgG(B- (3eUGOQgG(B- (3efGgLgG (B/ s - (3Ydi YTQi RGjOs ([S.N] : (3ecJHI GdTHGH , s, 1982)
Keywords: (3GddZI GdYQHjIs; (3GdHdGZI GdYQHjIs