1.
Santosa RG, Tampubolon JK. Pelatihan Cara Berpikir Simbolik-Matematik di SMA BOPKRI 2 Yogyakarta. IJCSL [Internet]. 2020 May 7 [cited 2025 Feb. 12];4(1):35-43. Available from: https://ejournal.undiksha.ac.id/index.php/IJCSL/article/view/23099