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Dykstra Jr. D. (2007) The Challenge of Understanding Radical Constructivism. Constructivist Foundations 2(2-3): 50–57. https://cepa.info/29
Dykstra Jr. D. (2010) What Can We Learn from the Misunderstandings of Radical Constructivism? Commentary on Slezak’s “Radical Constructivism: Epistemology, Education and Dynamite”. Constructivist Foundations 6(1): 120–126. https://cepa.info/181