1.

図書
図書
1. The reviewer's guide to quantitative methods in the social sciences
editors, Gregory R. Hancock, Ralph O. Mueller
出版情報: London ; New York : Routledge, 2010
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2.

図書
図書
2. Research design : qualitative, quantitative, and mixed methods approaches. 3rd ed
John W. Creswell
出版情報: Los Angeles : Sage Publications, c2009
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