DeCecco, J. (1964). Educational technology: Readings in programmed instruction. Holt Rinehart and Winston.
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Chicago-čujuhus (17. p.)
DeCecco, John. Educational Technology: Readings in Programmed Instruction. New York: Holt Rinehart and Winston, 1964.
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MLA-čujuhus (9. p.)
DeCecco, John. Educational Technology: Readings in Programmed Instruction. Holt Rinehart and Winston, 1964.
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