Research design : qualitative, quantitative, and mixed methods approaches

Author：John W. Creswell.
Publisher：SAGE Publications
ISBN：9781452226101 (pbk.) : ; 9781452226095 (hbk.)
Publication Date：c2014.
其他作者：Creswell, John W.
版次：4th ed.
語言：eng
出版地：Thousand Oaks :
Description

xxix, 273 p. ::ill. ;:26 cm.

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