“Efektivitas Model Pembelajaran Problem Based Learning (PBL) Terhadap Peningkatan Kemampuan Berpikir Kreatif Matematis Siswa SMK: Kemampuan Berpikir Kreatif, Problem Based Learning”. Indo-MathEdu Intellectuals Journal, vol. 4, no. 3, Nov. 2023, pp. 1568-75, https://doi.org/10.54373/imeij.v4i3.184.