5Shulman, L S.. Those Who Understand: Knowledge Growth in Teaching[J].Educational Researcher, 1986,15(2):4-14.
6Park, S. & Oliver, J. S.. Revisiting the Conceptualisation of Pedagogical Content Knowledge(PCK): PCK as Conceptual Tool to Understand Teachers as Professionals [ J ]. Research in Education, 2008, (38):261-284.