Hartiana, Wa Ode, and Andriyani Andriyani. “Improving 8th-Grade students’ Problem-Solving Skills and Self-Efficacy in Probability Using Discovery Learning”. International Journal on Education Insight 3, no. 2 (December 15, 2022): 101–112. Accessed February 18, 2026. http://journal2.uad.ac.id/index.php/ijei/article/view/6337.