Eva Purnamasari, utama, R.D.A., Sri Wahyuni, Sandi Supaya and Ana Putri Nastiti 2026. Project-Based Learning in the Digital Era: The Role of Self-Directed Learning and Artificial Intelligence Utilization by Students in Optimizing Learning in the Business Administration Department of Politeknik Negeri Semarang. International Journal of Economics, Business and Innovation Research. 5, 04 (Jul. 2026), 3932-3944. DOI:https://doi.org/10.63922/ijebir.v5i04.3620.