Abdul Hamid, H., and R. . Ridho. “Sistematisasi Diagnosis Penyakit Covid-19 Menggunakan Metode Decision Tree”. JURNAL INDUSTRI KREATIF DAN INFORMATIKA SERIES (JIKIS), vol. 3, no. 1, Aug. 2023, http://jikis.org/index.php/main/article/view/63.