Southville International School and Colleges
Creswell, John W.

Research design : qualitative, quantitative and mixed methods approaches / John W. Creswell - 4th ed. - Los Angeles : SAGE, c2014. - 273 p. : ill. ; 26 cm.

Includes glossary, bibliographical references and index.



9781452274614

H 62 / .C6963 2014
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