Dhimas Dwi Putra Setiyawan. Sistem Pakar Pendeteksi Awal COVID-19 Menggunakan Metode Certainty Factor. SinarFe7 [Internet]. 2021 Dec. 16 [cited 2026 May 3];4(1):443-50. Available from: https://journal.fortei7.org/index.php/sinarFe7/article/view/76