Agustika, Gusti Ngurah Sastra. “PENGEMBANGAN KONSTRUKSI DAN VALIDASI TES KONSEP DASAR MATEMATIKA”. Journal of Education Technology 2, no. 1 (August 21, 2019): 40–44. Accessed May 8, 2024. https://ejournal.undiksha.ac.id/index.php/JET/article/view/13805.