Quantitative methods for decision makers / Wisniewski, Mik.

Quantitative methods for business and economics / Burton, Glyn.

Quantitative methods for business decisions / Curwin, Jon.

Qualitative research & evaluation methods / Patton, Michael Quinn.

Qualitative communication research methods. Lindlof, Thomas R.

Quantitative methods for investment analysis / DeFusco, Richard Armand.

Introducing qualitative methods

Interpreting qualitative data : methods for analysing talk, text, and interaction / Silverman

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

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

International series in quantitative marketing

Social research methods : qualitative and quantitative Bernard, H. Russell