Gabler, I. C., Schroeder, M., & Curtis, D. (2003). Constructivist methods for the secondary classroom: Engaged minds. Allyn and Bacon.
Lua i Stíl Chicago (17ú heag.)Gabler, Ina Claire, Michael Schroeder, agus David Curtis. Constructivist Methods for the Secondary Classroom: Engaged Minds. Boston: Allyn and Bacon, 2003.
Lua MLA (9ú heag.)Gabler, Ina Claire, et al. Constructivist Methods for the Secondary Classroom: Engaged Minds. Allyn and Bacon, 2003.
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