(3JGQjN GdacQ GdGbJUGOi (B/s - (3dHjH TbjQs ((3GdbGgQI (B:s (3ecJHI fgVI eUQ ,s, 1956)
(3jTed Ydi GQLGYGJ HHdjhLQGajIs
Keywords: (3GdJWhQ GdGbJUGOj (B((3GdJGQjN GdGbJUGOj(B)s