Cohen, J. (1969). Statistical power analysis for the behavioral sciences. Academic Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCohen, Jacob. Statistical Power Analysis for the Behavioral Sciences. New York: Academic Press, 1969.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCohen, Jacob. Statistical Power Analysis for the Behavioral Sciences. Academic Press, 1969.
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