DiPerna, J. C., Lei, P., Morgan, P. L., & Wu, Q. Developing short forms of the EARLI numeracy measures: Comparison of item selection methods.
Chicago-tyylinen lähdeviittausDiPerna, James C., Pui-Wa Lei, Paul L. Morgan, ja Qiong Wu. Developing Short Forms of the EARLI Numeracy Measures: Comparison of Item Selection Methods.
MLA-viiteDiPerna, James C., Pui-Wa Lei, Paul L. Morgan, ja Qiong Wu. Developing Short Forms of the EARLI Numeracy Measures: Comparison of Item Selection Methods.
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