FANNY ADIBAH. ANALISIS PEMAHAMAN MAHASISWA DALAM MEMAHAMI KONSEP HIMPUNAN BERDASARKAN TEORI APOS. WIDYALOKA, [S. l.], v. 8, n. 1, p. 124–139, 2021. Disponível em: https://jurnal.ikipwidyadarmasurabaya.ac.id/index.php/widyaloka/article/view/65. Acesso em: 30 oct. 2026.