OECD. (2018). OECD Handbook for Internationally Comparative Education Statistics 2018: Concepts, Standards, Definitions and Classifications. OECD.
Trích dẫn kiểu ChicagoOECD. OECD Handbook for Internationally Comparative Education Statistics 2018: Concepts, Standards, Definitions and Classifications. OECD, 2018.
Trích dẫn MLAOECD. OECD Handbook for Internationally Comparative Education Statistics 2018: Concepts, Standards, Definitions and Classifications. OECD, 2018.
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