Smyth, E. and C. Hannan (2006). School Effects and Subject Choice: The Uptake of Scientific Subjects in Ireland, School Effectiveness and School Improvement, Vol. 17, September, 2006, Abingdon, UK: Taylor & Francis, https://www.esri.ie/publications/school-effects-and-subject-choice-the-uptake-of-scientific-subjects-in-ireland