“Analisis Kemampuan Berpikir Kreatif Matematis Melalui Problem Posing Bersifat Open Ended”. Jurnal Pengembangan Pembelajaran Matematika (JPPM), vol. 3, no. 1, Feb. 2021, pp. 32-42, https://doi.org/10.14421/jppm.2021.31.32-42.