Setyaningrum, W., F. M. Pastoriko, K. Fabian, and C. Y. Ying. “The Effect of Scaffolding-Based Digital Instructional Media on Higher-Order Thinking Skills”. Journal on Mathematics Education, vol. 15, no. 4, Sept. 2024, pp. 1077-92, doi:10.22342/jme.v15i4.pp1077-1092.