Lodico, Marguerite G.
Methods in educational research : from theory to practice
Jossey-Bass, 2010
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Philosophy, methodology and educational research
Blackwell Publishing, 2007
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Fraenkel, Jack R., 1932-2014
How to design and evaluate research in education
McGraw-Hill, 1993
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Foundations for research: methods of inquiry in education and the social sciences
New jersey, 2004
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Bell, Judith
Doing your research project : a guide for first-time researchers
McGraw-Hill Education, 2014
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