Angkotasan N. KEEFEKTIFAN MODEL PROBLEM-BASED LEARNING DITINJAU DARI KEMAMPUAN BERPIKIR REFLEKTIF MATEMATIS SISWA SMA NEGERI 5 KOTA TERNATE. Saintifik [Internet]. 2019 May 21 [cited 2026 Oct. 4];3(1). Available from: https://ejournal.unkhair.ac.id/index.php/Saintifik/article/view/1095