BIRRUL WALIDAIN, Putri Zahra; MARTILA RULI, Redo. Analisis Kesalahan Siswa Kelas X dalam Menyelesaikan Soal Cerita Sistem Persamaan Linear Tiga Variabel . Radian Journal: Research and Review in Mathematics Education, [S. l.], v. 1, n. 2, p. 69–80, 2022. DOI: 10.35706/rjrrme.v1i2.6531. Disponível em: https://journal-fkip.unsika.ac.id/index.php/radian/article/view/6531. Acesso em: 6 dec. 2025.