Isgiyanto, Awal. “DIAGNOSIS KESALAHAN SISWA BERBASIS PENSKORAN POLITOMUS MODEL PARTIAL CREDIT PADA MATEMATIKA”. Jurnal Penelitian dan Evaluasi Pendidikan 15, no. 2 (January 12, 2013): 308–325. Accessed June 20, 2025. https://jurnal.uny.ac.id/index.php/jpep/article/view/1099.