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

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

Business research methods / Cooper, Donald R.

Fundamentals of social research methods : an African perspective / Bless, Claire.

Economics -- Problems, exercises, etc. -- Statistical methods.

Research methods / White, Theresa L.

Applied social research methods ;

Statistical methods for psychology / Howell, David C., author.

Applied business statistics : methods and Excel-based applications / Wegner, Trevor.

Social sciences -- Statistical methods.

Economics -- Statistical methods.

Photography -- Business methods.