SARI, Ervina Anvita; HADIPRASETYO, Krisdianto; WULANDARI, Andhika Ayu. Learning difficulties of mathematic students on real analysis courses with an online system. Jurnal Math Educator Nusantara: Wahana Publikasi Karya Tulis Ilmiah di Bidang Pendidikan Matematika, Indonesia, INA, v. 7, n. 1, p. 1–11, 2021. DOI: 10.29407/jmen.v7i1.14766. Disponível em: https://ojs.unpkediri.ac.id/index.php/matematika/article/view/14766. Acesso em: 5 jun. 2025.