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3. A. Schleicher, Insights and Interpretations (Springer, 2018).
4. E.R. Putri, Budiyono and D. Indriati, Int. J. Eval. Res. Educ. 9(2), pp. 394–400 (2020).
5. NCTM, Principles and Standards for School Mathematics (NCTM, USA, 2000).