Amelizky, O., S. Nurhayati, and A. Munifah. “Multiple Discriminant Analysis to Measure Critical Thinking by Age, Gender, and Self-Confidence in Elementary Students”. LEOTECH: Journal of Learning Education and Technology, vol. 2, no. 1, June 2025, pp. 31-36, doi:10.70152/leotech.v2i1.100.