Sinaga, A., E. Depari, F. Khairani, G. Hutapea, M. Marpaung, N. Lestari, and P. Manurung. The Influence of Geogebra Media on the Ability to Understand Class XI Concepts in Three-Dimensional Materials. Vol. 12, no. 8.D, Aug. 2026, pp. 1-10, https://jurnal.peneliti.net/index.php/JIWP/article/view/14827.