MAULINA, Sri; MUCHTADI, Muchtadi; HARTONO, Hartono. Analisis Kesulitan Pemahaman Konseptual Siswa dalam Materi Aljabar Berdasarkan Teori APOS. Indo-MathEdu Intellectuals Journal, [S. l.], v. 6, n. 1, p. 1337–1353, 2025. DOI: 10.54373/imeij.v6i1.2672. Disponível em: https://ejournal.indo-intellectual.id/index.php/imeij/article/view/2672. Acesso em: 12 may. 2025.