Irfan, M., Alkautsar, P., Atmadja, A. R., & Wildan Budiawan Zulfikar. (2022). Diagnosis of Asthma Disease and The Levels using Forward Chaining and Certainty Factor. Jurnal RESTI (Rekayasa Sistem Dan Teknologi Informasi), 6(5), 761 - 767. https://doi.org/10.29207/resti.v6i5.4123