Puspita, Tita, Ipah Muzdalipah, and Elis Nurhayati. “Kemampuan Penalaran Proporsional Pada Materi Perbandingan”. Plusminus: Jurnal Pendidikan Matematika 3, no. 1 (March 30, 2023): 107–116. Accessed November 13, 2024. https://journal.institutpendidikan.ac.id/index.php/plusminus/article/view/1227.