Fitriatien, Sri Rahmawati. “Error Description of the First Year Student in Aljabar Problems”. Math Didactic: Jurnal Pendidikan Matematika 5, no. 2 (Agustus 16, 2019): 183-198. Diakses Juli 3, 2025. https://jurnal.stkipbjm.ac.id/index.php/math/article/view/655.