“KORELASI ANTARA SELF CONCEPT DAN KEMAMPUAN KOMUNIKASI MATEMATIS SISWA SECARA TULISAN”. Jurnal Pelita Calistung 2, no. 01 (April 27, 2021): 36–55. Accessed May 19, 2024. https://jurnal.upg.ac.id/index.php/jpc/article/view/100.