[1]
Arvianto, I.R. 2020. DEVELOPING LEARNING DESIGNS TO IMPROVE CREATIVE THINKING ABILITY IN THE EVENT OF THE UPCOMING INDUSTRIAL ERA 4.0. De Fermat : Jurnal Pendidikan Matematika. 2, 2 (Jan. 2020), 93–102. DOI:https://doi.org/10.36277/defermat.v2i2.52.