Mohd Zulhilmi Aqil Muhamad and Noor Hafhizah Abd Rahim 2019. Expert System to Diagnose Dengue Fever. Universiti Malaysia Terengganu Journal of Undergraduate Research. 1, 4 (Oct. 2019), 67–76. DOI:https://doi.org/10.46754/umtjur.v1i4.93.