Skondra, Katerina, and Aggelos Kavasakalis. “Doctoral Studies: A Comparative Analysis Between European and National (Greek) Level”. Advances in Social Sciences Research Journal 12, no. 12 (December 26, 2025): 235–249. Accessed May 28, 2026. https://scholarpublishing.org/journals/index.php/ASSRJ/article/view/6582.