Working paper published by the OECD (Organisation for Economic Co-operation and Development) on the evolution of gender gaps in numeracy and literacy between childhood and adulthood, October 2018.
Siart far sy'n dangos y gwahaniaeth cyfartalog mewn cyrhaeddiad ar gyfer asesiadau Rhifedd (Gweithdrefnol) rhwng gwahanol grwpiau ethnig a dysgwyr "Gwyn – Prydeinig" yn 2022/23.