“Efektivitas Model Pembelajaran Problem Based Learning (PBL) Terhadap Peningkatan Kemampuan Berpikir Kreatif Matematis Siswa SMK: Kemampuan Berpikir Kreatif, Problem Based Learning” (2023) Indo-MathEdu Intellectuals Journal, 4(3), pp. 1568–1575. doi:10.54373/imeij.v4i3.184.