Ní Shúilleabháin, AoibhinnAoibhinnNí Shúilleabháin2019-11-262019-11-262019-09-05http://hdl.handle.net/10197/11222The World Association of Lesson Studies International Conference 2019 (WALS 2019), Amsterdam, the Netherlands, 3-6 September 2019Keynote presentation at WALS (World Association of Lesson Study) 2019 conferenceenLesson studyMathematics educationEducation IrelandIslands in the stream: Encouraging teacher collaboration in an otherwise solitary professionConference Publication2019-09-26https://creativecommons.org/licenses/by-nc-nd/3.0/ie/