Strengthening Students’ English Competence Based on the Results of Their English Proficiency Test with the Use of the Expert System with Forward Chaining Method. Internationalj.ofCultureandArtStudies [Internet]. 2023 Oct. 31 [cited 2026 Feb. 4];7(2):92-100. Available from: https://idjpcr.usu.ac.id/ijcas/article/view/14242