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Чикаго-гийн эшлэл (17 дахь хэвлэлт)Organisation for Economic Co-operation and Development. Education Policy Outlook 2019: Working Together to Help Students Achieve Their Potential. Paris: OECD, 2019.
MLA -ийн эшлэл (9 дэх хэвлэлт)Organisation for Economic Co-operation and Development. Education Policy Outlook 2019: Working Together to Help Students Achieve Their Potential. OECD, 2019.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.