Hannan, D., R. Breen, B. Murray, N. Hardiman and D. Watson (1983). Schooling and Sex Roles: Sex Differences in Subject Provision and Student Choice in Irish Post-Primary Schools, General Research Series 113, Dublin: ESRI, https://www.esri.ie/publications/schooling-and-sex-roles-sex-differences-in-subject-provision-and-student-choice-in-irish-post-primary-schools