Idris, M.S., Ahmad, M.I.S., Nur Arisah, Muhammad Ilyas Thamrin Tahir and Nurwahida 2026. The Effect of Project-Based Learning and Self-Directed Learning Models on Critical Thinking Skills in Economics Learning through the Use of Artificial Intelligence as a Mediating Variable among Generation Z Students . International Journal of Economics, Business and Innovation Research. 5, 04 (Jul. 2026), 4705-4722. DOI:https://doi.org/10.63922/ijebir.v5i04.5213.