Social research methods : qualitative and quantitative approaches / Neuman, W. Lawrence (William

Research design : qualitative, quantitative, and mixed method approaches / Creswell, John W

Management science -- Statistical methods -- Computer programs.

Business research methods / Cooper, Donald R.

Research methods for education / Newby, Peter, author.

Quantitative methods for business and management / Wall, Stuart, 1946-

Case study research : design and methods / Yin, Robert K., author.

Integrating qualitative and quantitative methods : a pragmatic approach / Morgan, David L

Qualitative data analysis : a methods sourcebook / Miles, Matthew B.

Qualitative text analysis : a guide to methods, practice & using software / Kuckartz, Udo, 1951

Social sciences -- Statistical methods.

Epidemiologic Methods.