Ma, M. and Gao, X. (Andy) 2021. Review of Individual differences in language learning: A complex systems theory perspective; Authors: Carol Griffiths, Adem Soruç; Publisher: Palgrave Macmillan, 2020; ISBN: 978-3-030-52900-0; Pages: 220. Studies in Second Language Learning and Teaching. 11, 4 (Nov. 2021), 629–633. DOI:https://doi.org/10.14746/ssllt.2021.11.4.7.