(2006). User's Guide to Computing High School Graduation Rates, Volume 2: Technical Evaluation of Proxy Graduation Indicators. U.S. Department of Education.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)User's Guide to Computing High School Graduation Rates, Volume 2: Technical Evaluation of Proxy Graduation Indicators. U.S. Department of Education, 2006.
MLA -ийн эшлэл (9 дэх хэвлэлт)User's Guide to Computing High School Graduation Rates, Volume 2: Technical Evaluation of Proxy Graduation Indicators. U.S. Department of Education, 2006.
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