AUTHOR=Soeiro José , Seto Kenzo Soares , Riesgo Gómez Víctor TITLE=Varieties and similarities of platform capitalisms: a comparative approach of labor regulation in Brazil, Portugal and Spain JOURNAL=Frontiers in Sociology VOLUME=10 YEAR=2025 URL=https://www.frontiersin.org/journals/sociology/articles/10.3389/fsoc.2025.1454324 DOI=10.3389/fsoc.2025.1454324 ISSN=2297-7775