Sipka P. Book Review: The power of the collective: a remarkable book on European collective labour law, Edited by Beryl ter Haar and Kun Attila (Edward Elgar Publishing, 2021). ILLeJ [Internet]. 2022 Jan. 1 [cited 2026 Mar. 3];15(2):195-203. Available from: https://illej.unibo.it/article/view/16075