Designing and conducting mixed methods research מאת Creswell, John W

Business research methods מאת Bryman, Alan

Qualitative research methods for the social sciences מאת Berg, Bruce L.

Basics of social research qualitative and quantitative approaches מאת Neuman, W. Lawrence

Qualitative research for education an introduction to theories and methods מאת Bogdan, Robert, Biklen, Sari Knopp

Fundamental of research methodology and statistics מאת Singh, Yogesh Kumar

The principles of experimental research מאת Srinagesh, K.

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Travel survey methods quality and future directions

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Research methods planning, conducting and presenting research מאת Devlin, Ann Sloan 1948-

Doing case study research a practical guide for beginning researchers מאת Hancock, Dawson R., Algozzine, Robert