Media type: E-Article Title: When there’s no mirror image, and other L3 research design challenges Contributor: Marsden, Heather Published: John Benjamins Publishing Company, 2021 Published in: Epistemological issue, 11 (2021) 1, Seite 79-83 Language: English DOI: 10.1075/lab.20084.mar ISSN: 1879-9272; 1879-9264 Keywords: Linguistics and Language ; Language and Linguistics Origination: Footnote: