Elevena Laras Suci Juniar, and Kowiyah. “Analisis Kemampuan Siswa Tunarungu Dalam Menyelesaikan Soal Cerita Matematika Berdasarkan Prosedur Polya”. Journal of Education Research 4, no. 3 (August 6, 2023): 1183–1192. Accessed July 31, 2025. https://jer.or.id/index.php/jer/article/view/367.