La Misu, and Hasnawati. “KAITAN KEMAMPUAN PENALARAN FORMAL DAN PEMECAHAN MASALAH MATEMATIK SISWA SMA”. Aksioma 12, no. 1 (March 30, 2023): 1-9. Accessed February 3, 2025. https://jurnalfkipuntad.com/index.php/jax/article/view/3451.