Aliyuddin, M., Surgawati, I. and Supriadi, A. (2024) “Technical Efficiency of Indonesia’s Education Sector Before and During the COVID-19 Pandemic: A Data Envelopment Analysis (DEA) Application”, Terbuka Journal of Economics and Business, 5(2), pp. 8–20. Available at: https://jurnal.ut.ac.id/index.php/tjeb/article/view/10220 (Accessed: 1 March 2026).