Nuryanto, Yanto, and Ricki Yuliardi. “Efektivitas Model Pembelajaran Problem Based Learning Berbasis STEM Terhadap Kemampuan Koneksi Matematis Siswa”. Indo-MathEdu Intellectuals Journal 4, no. 2 (August 22, 2023): 179–192. Accessed May 12, 2025. https://ejournal.indo-intellectual.id/index.php/imeij/article/view/147.