WIRAYA, A.; ADI, Y.; FITRIANA, L.; TRIYANTO, T.; PUTRI, A. GLOBAL STABILITY OF DISEASE-FREE EQUILIBRIA IN COVID-19 SPREAD THROUGH LIVING AND INANIMATE OBJECTS MATHEMATICAL MODEL. BAREKENG: Jurnal Ilmu Matematika dan Terapan, v. 17, n. 4, p. 1873-1884, 18 dez. 2023.