Normalita Isnaeni, Sessu A, Hadi W. The Effect of Concrete Representational Abstract (CRA) Approach Assisted by Teaching Aids on Students’ Mathematical Representational Ability. Universitas Jambi [Internet]. 2020Oct.29 [cited 2024Jul.5];10(2):64-70. Available from: https://online-journal.unja.ac.id/edumatica/article/view/9340