Smith, M. L., & Glass, G. V. (1987). Research and evaluation in education and the social sciences. Prentice-Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSmith, Mary Lee, और Gene V. Glass. Research and Evaluation in Education and the Social Sciences. Englewood Cliffs, N.J.: Prentice-Hall, 1987.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSmith, Mary Lee, और Gene V. Glass. Research and Evaluation in Education and the Social Sciences. Prentice-Hall, 1987.
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