Johnson, D. C., & Tinsley, J. D. (1977). Informatics and mathematics in secondary schools: Impacts and relationships. North-Holland Publishing Company.
Chicago Style (17th ed.) CitationJohnson, D C., and J D. Tinsley. Informatics and Mathematics in Secondary Schools: Impacts and Relationships. Amsterdam: North-Holland Publishing Company, 1977.
ציטוט MLAJohnson, D C., and J D. Tinsley. Informatics and Mathematics in Secondary Schools: Impacts and Relationships. North-Holland Publishing Company, 1977.
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