Wahyudi R, Prasetyo WD. Implementing Forward, Backward Chaining and Certainty Factor in Responsive Web-Based Expert System of Cow Disease. ijics [Internet]. 2018 Feb. 26 [cited 2025 Oct. 28];2(1). Available from: https://ejurnal.stmik-budidarma.ac.id/index.php/ijics/article/view/816