As Med, A., Taqriri Kamal Mulyadi, Desi Febriani Putri, and Rinancy Tumilaar. “SEIRS Type Mathematical Model Simulation (COVID19 Case)”. Jurnal Inotera, Vol. 8, no. 2, Nov. 2023, pp. 359-66, doi:10.31572/inotera.Vol8.Iss2.2023.ID271.