Pujilestari, S. (2018) “Efektivitas Pembelajaran Matematika Berbasis Open-Ended Problem dengan Model Think-Pair- Share terhadap Kemampuan Berpikir Kreatif”, Journal Focus Action of Research Mathematic (Factor M), 1(1), pp. 57–76. doi: 10.30762/factor_m.v1i1.964.