Purdue University. Journal of pre-college engineering education research. [Purdue University Press].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPurdue University. Journal of Pre-college Engineering Education Research. [West Lafayette, Ind.]: [Purdue University Press].
एमएलए (9वां संस्करण) प्रशस्ति पत्रPurdue University. Journal of Pre-college Engineering Education Research. [Purdue University Press].
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