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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रebrary, Inc, Mark R. Wilson, और Meryl W. Bertenthal. Systems for State Science Assessment. Washington, DC: National Academies Press, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्रebrary, Inc, et al. Systems for State Science Assessment. National Academies Press, 2005.
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