Sidabutar, A. T. G. A., L. O. Tambunan, and Y. O. Purba. “The Influence of the Discovery Learning Model on students’ Mathematical Creative Thinking Abilities in Class VIII of SMP Negeri 1 Pematangsiantar”. EDUCTUM: Journal Research, vol. 5, no. 2, Apr. 2026, pp. 269-74, doi:10.56495/ejr.v5i2.1578.