Lasa, Aitzol, Jaione Abaurrea, and Haritz Iribas. “Mathematical Content on STEM Activities”. Journal on Mathematics Education 11, no. 3 (September 1, 2020): 333–346. Accessed May 9, 2025. http://jme.ejournal.unsri.ac.id/index.php/jme/article/view/3676.