MUBAROK, Najib. MENINGKATKAN PEMAHAMAN KONSEP FUNGSI MATA KULIAH MATEMATIKA EKONOMI MELALUI PERMAINAN KRIPTOGRAFI (CRYPTOGAME). Jurnal Ekonomi dan Pendidikan, [S. l.], v. 16, n. 2, p. 49–60, 2020. DOI: 10.21831/jep.v16i2.25381. Disponível em: https://journal.uny.ac.id/index.php/jep/article/view/25381. Acesso em: 13 may. 2025.