Hedi, Sri Nur Yuliyawati, Anny Suryani, and Iis Sulyaningsih. “High School Geometry Learning for Cimahi Mathematics MGMP Teachers Using GeoGebra”. ReTII (November 11, 2022): 80-86. Accessed November 22, 2024. //journal.itny.ac.id/index.php/ReTII/article/view/3678.