M. A. A. Sujudi, F. Fauziah, and D. Hidayatullah, “Expert System Certainty Factor Method in Website-Based Pest Diagnosis of Eggplant Plants: Expert System Certainty Factor Method in Website-Based Pest Diagnosis of Eggplant Plants”, Mantik, vol. 3, no. 4, pp. 428-438, Feb. 2020.