Koballa, T. R., & Tippins, D. J. (2004). Cases in middle and secondary science education: The promise and dilemmas (2nd ed.). Pearson/Merrill Prentice Hall.
Citace podle Chicago (17th ed.)Koballa, Thomas R., a Deborah J. Tippins. Cases in Middle and Secondary Science Education: The Promise and Dilemmas. 2nd ed. Upper Saddle River, N.J: Pearson/Merrill Prentice Hall, 2004.
Citace podle MLA (9th ed.)Koballa, Thomas R., a Deborah J. Tippins. Cases in Middle and Secondary Science Education: The Promise and Dilemmas. 2nd ed. Pearson/Merrill Prentice Hall, 2004.
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