1.
Amalia Putri L, Nurrahmi H, Chu X. Enhancing English Competence Based on TOEFL Result with the Use of the Expert System with Forward Chaining Method. KEG [Internet]. 2024 Mar. 7 [cited 2025 Sep. 7];6(1):88–94. Available from: https://knepublishing.com/index.php/KnE-Engineering/article/view/15352