Statistical techniques in business & economics di Lind, Douglas A., Marchal, William G., Wathen, Samuel Adam

Statistics for engineers and scientists di Navidi, William

Research design qualitative, quantitative, and mixed methods approaches di Creswell, John W., Creswell, J. David

Research design qualitative, quantitative, and mixed methods approaches di Creswell, John W., Creswell, J. David

Secondary data in mixed methods research di Watkins, Daphne

Adventures in social research data analysis using IBM SPSS statistics di Babbie, Earl R., Zaino, Jeanne, Wagner, William E.

Exploring rating scale functioning for survey research di Wind, Stefanie A.

The SAGE encyclopedia of research design

Available for UP System via SAGE Knowledge

Experimental designs di Ariel, Barak, Bland, Matthew, Sutherland, Alex

Survey research and sampling di Eichhorn, Jan