SUSDARWONO, E. T. Pengategorian Provinsi Berdasarkan Kelompok Sukses dan Gagal dalam Penanganan Pandemik Covid-19 di Indonesia Menurut Analisis Diskriminan. Quadratic: Journal of Innovation and Technology in Mathematics and Mathematics Education, [S. l.], v. 1, n. 1, p. 31–40, 2021. DOI: 10.14421/quadratic.2021.011-05. Disponível em: https://journal.uin-suka.ac.id/tarbiyah/quadratic/article/view/011-05. Acesso em: 13 jul. 2025.