Isnawan, M. G., N. M. . Alsulami, E. . Bonyah, J. O. . Dejarlo, and S. Sudirman. “Learning Number Patterns in Middle School: A Lesson Study Activity Based on Didactical Design Research”. Edumatica : Jurnal Pendidikan Matematika, vol. 14, no. 01, Apr. 2024, pp. 1-13, doi:10.22437/edumatica.v14i01.28645.