Stergiou, KONSTANTINOS, and Helen Tsakiridou. “Measuring the Impact of Socio-Economic Factors on school’s Technical Efficiency”. Archives of Business Research 7, no. 4 (April 28, 2019): 223–239. Accessed June 18, 2026. https://scholarpublishing.org/journals/index.php/ABR/article/view/9174.