Research questions, hypotheses and instruments of data collection (Chapter 4). In Ezeliora, B., Ezeokana, J.O. & Inyega, H.N. (eds.) Principles of research in education and social sciences

Citation:
Inyega HN. "Research questions, hypotheses and instruments of data collection (Chapter 4). In Ezeliora, B., Ezeokana, J.O. & Inyega, H.N. (eds.) Principles of research in education and social sciences." Enugu, Nigeria: Fourth Dimension Publishing Co. Ltd.; 2011.

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