1. NU/NÅ: A Family of Discourse Markers across the Languages of Europe and beyond;Auer,2016
2. Claiming mutual stance: on the use of that's right by a person with aphasia;Barnes;ROLSI,2011
3. On that's right and its combination with other tokens;Barnes;J. Pragmat.,2012
4. Transitional regularities for casual ‘Okay’ usages;Beach;J. Pragmat.,1993
5. OKAY in responding and claiming understanding;Betz,2021