Dyer, H. S. (1960). Manual for analyzing results of an educational experiment (Analysis of convariance). Educational Testing Service.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDyer, Henry S. Manual for Analyzing Results of an Educational Experiment (Analysis of Convariance). New Jersey: Educational Testing Service, 1960.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDyer, Henry S. Manual for Analyzing Results of an Educational Experiment (Analysis of Convariance). Educational Testing Service, 1960.
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