Muhammad AD, Hadi MR. Kemampuan konversi representasi matematis: Studi pengaruh Problem-Based Learning pada materi trigonometri. jtm [Internet]. 2026 June 28 [cited 2026 Oct. 11];9(1):97-110. Available from: https://ejournal.uinsatu.ac.id/index.php/jtm/article/view/12276