Fitriana, Y., Hasan, N., Tarmino, R. and Giyai, S. (2022) “Covid-19 Prognosis Expert System using Forward Chaining Algorithm”, Jurnal Bumigora Information Technology (BITe), 4(2), pp. 153-166. doi: https://doi.org/10.30812/bite.v4i2.2399.