Gay, L. (1980). Educational evaluation & measurement: Competencies for analysis and application. Charles E.Merrill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGay, L.R. Educational Evaluation & Measurement: Competencies for Analysis and Application. Columbus: Charles E.Merrill, 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGay, L.R. Educational Evaluation & Measurement: Competencies for Analysis and Application. Charles E.Merrill, 1980.
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