Pardosi, Santa ceacilia, et al. “Analisis Kemampuan Penalaran Dan Pemahaman Konsep Belajar Matematika Siswa Materi Pecahan Di SMP Kelas VII Swasta HKBP Sidorame”. Innovative: Journal Of Social Science Research, vol. 3, no. 5, Nov. 2023, pp. 8463-74, https://j-innovative.org/index.php/Innovative/article/view/5864.