תוצאות חיפוש מחבר

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Quasi-experimentation: Design and analysis issues for field settings

Quasi-experimentation: Design and analysis issues for field settings

מאת Thoms D Cook
יצא לאור 1979

Thư viện lưu trữ: Trung tâm Học liệu Trường Đại học Cần Thơ