Widiastuti, A., N. Ubaidah, D. Wijayanti, and M. Mafatihatur R. “Description of Google Classroom-Assisted STEM Learning to Improve Students’ Mathematical Creative Thinking Skills”. Numerical: Jurnal Matematika Dan Pendidikan Matematika, vol. 5, no. 1, June 2021, pp. 9-22, doi:10.25217/numerical.v5i1.1152.