Wahyu, Kristina, and Marhadi Saputro. “Analisis Hambatan Belajar Pada Materi Kubus Dan Balok Di Kelas VIII SMPTK SETIA Pontianak”. Jurnal Prodi Pendidikan Matematika (JPPM), vol. 5, no. 2, July 2023, pp. 636-45, https://jurnal.mipatek.ikippgriptk.ac.id/index.php/JPPM/article/view/533.