(3GdThGQO, Ch, NWQGJ YGe (B/s - (3YRGe , YHO GdhgGHs ([(3O(B. (3e(B. :s (3O(B. (3f(B.](3,s, 1953)
Keywords: (3GdebGdGJ GdYQHjIs -- (3GdSYhOjIs -- (3bQf (B14 (3g`(B.s