“The Principles of Subsidiarity and Effectiveness: Two Pillars of an Effective Remedy for Excessive Length of Proceedings Within the Meaning of Article 13 ECHR”. Polish Yearbook of International Law 39 (July 19, 2021): 159–185. Accessed October 3, 2025. https://czasopisma.inp.pan.pl/index.php/pyil/article/view/2396.