Yosa, N., M. F. Amir, dan M. D. K. . Wardana. “Learning With Coping Strategies in Solving Multi-Step Arithmetic Problems Towards Numeracy Skills”. Journal of Education Reseach and Evaluation, vol. 6, no. 3, September 2022, hlm. 500-28, doi:10.23887/jere.v6i3.47036.