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Cover for Chester Arthur Gregory · Fundamentals of Educational Measurement With the Elements of Statistical Method (Paperback Book) (2016)

Fundamentals of Educational Meas... (2016)

Chester Arthur Gregory

Cover for Chester Arthur Gregory · The Efficiency of Oregon School Children in the Tool Subjects (Paperback Book) (2015)

The Efficiency of Oregon School ... (2015)

Chester Arthur Gregory

Cover for Chester Arthur Gregory · Fundamentals of Educational Measurement with the Elements of Statistical Method (Paperback Book) (2009)

Fundamentals of Educational Meas... (2009)

Chester Arthur Gregory