Nurrahmi, Herly, and Liza Amalia Putri. “The Development of TOEFL ITP Learning Determination Application Using Forward Chaining Method”. Devotion : Journal of Research and Community Service 5, no. 8 (August 21, 2024): 918–925. Accessed June 25, 2026. https://devotion.greenvest.co.id/index.php/dev/article/view/776.