Elliott, O. (1975). Programmed learning aid for Introduction to data processing. Learning Systems Co.
Chicago Style (17th ed.) CitationElliott, Orville. Programmed Learning Aid for Introduction to Data Processing. Illinois: Learning Systems Co, 1975.
MLA (9th ed.) CitationElliott, Orville. Programmed Learning Aid for Introduction to Data Processing. Learning Systems Co, 1975.
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