Youssef, M. Y. (1969). Language & Electronic Computers. The Institute of National Planning.
Chicago-čujuhus (17. p.)Youssef, M. Yehia. Language & Electronic Computers. Cairo: The Institute of National Planning, 1969.
MLA-čujuhus (9. p.)Youssef, M. Yehia. Language & Electronic Computers. The Institute of National Planning, 1969.
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