Asnawi MH, Turmudi T, Harini S. Development of GeoGebra-Assisted Digital Learning Media for Geometry Transformation Materials based on Van Hiele’s Theory. Int. J. Emerg. Math. Educ. [Internet]. 2023 Feb. 2 [cited 2024 Nov. 5];6(2):149-58. Available from: https://journal.uad.ac.id/index.php/IJEME/article/view/22444