Texas Instruments Incorporated Learning Center & Oliva, R. A. (1976). The great international math on keys book: Developed by the staff of the Texas Instruments Learning Center. Texas Instrument Learning Center.
Citace podle Chicago (17th ed.)Texas Instruments Incorporated Learning Center a Ralph A. Oliva. The Great International Math on Keys Book: Developed by the Staff of the Texas Instruments Learning Center. Dallas, Texas: Texas Instrument Learning Center, 1976.
Citace podle MLA (9th ed.)Texas Instruments Incorporated Learning Center a Ralph A. Oliva. The Great International Math on Keys Book: Developed by the Staff of the Texas Instruments Learning Center. Texas Instrument Learning Center, 1976.
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