Sipka, P. 2022. 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). Italian Labour Law e-Journal. 15, 2 (Jan. 2022), 195–203. DOI:https://doi.org/10.6092/issn.1561-8048/16075.