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Handbook in research and evaluation : a collection of principles, methods, and strategies useful in the planning, design, and evaluation of studies in education and the behavioral...
Published 1971Subjects: “…Education Research.…”
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Handbook in research and evaluation : a collection of principles, methods, and strategies useful in the planning, design, and evaluation of studies in education and the behavioral...
Published 1971Subjects: “…Education Research.…”
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