Sujudi, Malik Abdul Aziz, Fauziah Fauziah, and Deny Hidayatullah. 2020. “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”. Jurnal Mantik 3 (4):428-38. https://iocscience.org/ejournal/index.php/mantik/article/view/586.