1. Abrantes, P. (2001). Mathematical competencies for all: Options, implications and obstacles. Educational Studies in Mathematics, 47(2), 125–143.
2. AECC. (2008). Standards für die mathematischen Fähigkeiten österreichischer Schülerinnen und Schüler amd End der 8. Schulstufe. Klagenfurt: Alpen-Adria Universität Klagenfurt, Institut für Didaktik der Mathematik-AECC.
3. Alpers, B., Demlova, M., Fant, C.-H., Gustafsson, T., Lawson, D., Mustoe, L., et al. (2013). A framework for mathematics curricula in engineering education. Brussels: SEFI.
4. Australian Council for Educational Research (2016). Southeast Asian primary learning metrics: Audit of curricula, UNICEF: March 2016. https://www.acer.edu.au/files/SEA-PLMCurriculumAudit2016.pdf . Accessed 30 May 2016.
5. Australian Education Council (1990). A national statement on mathematics for Australian school. http://files.eric.ed.gov/fulltext/ED428947.pdf . Accessed 30 May 2016.