颁布单位：[University of the Free State] |  颁布时间：1983 |  实施时间：1983 |  学科分类：[["Mathematical, ability","Mathematics, --, Study, and, teaching, (Primary)","Dissertation, (M.Ed., (Psycholoy, of, Education)), --, University, of, the, Free, State,, 1983"]]

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颁布单位：[University of the Free State] |  颁布时间：1972 |  实施时间：1972 |  学科分类：[["Differentiated, teaching, staffs","Education,, Primary","Dissertation, (M.Ed., (General, Didactics))--University, of, the, Free, State,, 1972"]]

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