Normalita Isnaeni, Sessu, A., & Hadi, W. (2020). The Effect of Concrete Representational Abstract (CRA) Approach Assisted by Teaching Aids on Students’ Mathematical Representational Ability. Edumatica : Jurnal Pendidikan Matematika, 10(2), 64-70. https://doi.org/10.22437/edumatica.v10i2.9340 (Original work published October 28, 2020)