AGUSTIAWAN, Eko; FARADIBA, Surya Sari. HAMBATAN BELAJAR MAHASISWA PADA MATERI HIMPUNAN DI MASA PANDEMI. HISTOGRAM: Jurnal Pendidikan Matematika, [S. l.], v. 7, n. 1, p. 57–68, 2023. DOI: 10.31100/histogram.v7i1.2468. Disponível em: https://journal.matappa.ac.id/index.php/histogram/article/view/2468. Acesso em: 7 nov. 2025.