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Чикаго-гийн эшлэл (17 дахь хэвлэлт)Centre for Educational Research and Innovation. Case Studies of Educational Innovation. [Paris]: Organisation for Economic Co-operation and Development, 1973.
MLA -ийн эшлэл (9 дэх хэвлэлт)Centre for Educational Research and Innovation. Case Studies of Educational Innovation. Organisation for Economic Co-operation and Development, 1973.
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