The balance model for teaching linear equations: a systematic literature review. [No authors listed] M Otten… - International …, 2019 - stemeducationjournal.springeropen … GSID: HMF7h8seTrIJ
A comparative analysis of linear functions in Korean and American standards-based secondary textbooks. Choi KM, Hong DS. DS Hong, KM Choi - … journal of mathematical education in science …, 2018 - Taylor & Francis GSID: L_T2MdWn2VEJ
Do textbooks address known learning challenges in area measurement? A comparative analysis. Choi KM, Hong DS, Hwang J. DS Hong, KM Choi, C Runnalls, J Hwang - … Education Research Journal, 2018 - Springer GSID: -v_JbaD8s1wJ
