Utari AF, Setyadi D. Development of Pop-Up Book-Based Learning Media for Pythagoras Theorem Materials in Class VIII of Junior High School. Math Didactic [Internet]. 20 Desember 2023 [dikutip 4 Juli 2025];9(3):497-0. Tersedia pada: https://jurnal.stkipbjm.ac.id/index.php/math/article/view/2158