Bui, H.P. and Nguyen, H.V. 2023. ’Sociolinguistic variation and language acquisition across the lifespan’ Anna Ghimenton, Aurélie Nardy, and Jean-Pierre Chevrot (eds) (2021). Sociolinguistic Studies. 17, 1-3 (Aug. 2023), 307–311. DOI:https://doi.org/10.1558/sols.23759.