AFRI, Lisa Dwi; REFLINA. Self Concept Mahasiswa UIN Sumatera Utara Medan pada Mata Kuliah Persamaan Diferensial Elementer. Lattice Journal : Journal of Mathematics Education and Applied, [S. l.], v. 4, n. 2, p. 117–130, 2024. DOI: 10.30983/lattice.v4i2.8756. Disponível em: https://ejournal.uinbukittinggi.ac.id/index.php/lattice/article/view/8756. Acesso em: 28 mar. 2026.