E Andry Dwi Kurniawan, Fatmawati, & Aprilia Dianpermatasari. (2022). Model Matematika SEAR dengan Memperhatikan Faktor Migrasi Terinfeksi untuk Kasus COVID-19 di Indonesia. Limits: Journal of Mathematics and Its Applications, 18(2), 142–153. Retrieved from https://journal.its.ac.id/index.php/limits/article/view/5248