FAUZIYAH, R. S.; PUJIASTUTI, H. Analisis Kesalahan Siswa dalam Menyelesaikan Soal Cerita Program Linear Berdasarkan Prosedur Polya. Union: Jurnal Ilmiah Pendidikan Matematika, [S. l.], v. 8, n. 2, p. 253–264, 2020. DOI: 10.30738/union.v8i2.7747. Disponível em: https://jurnal.ustjogja.ac.id/index.php/union/article/view/7747. Acesso em: 21 mar. 2023.