Research methods are the techniques, processes, system or procedure followed where data or information is created and then analysed. It is essentially the way you collect your data for your thesis.
For example, data collected through case studies, survey research, experiments, performance assessment and observations or other ways of collecting information
Sage Research Methods Online is a research methods tool created to help researchers, faculty and students with their research projects. This site links over 100,000 pages of SAGE's renowned book, journal and reference content. Researchers can explore methods concepts to help them design research projects, understand particular methods or identify a new method, conduct their research, and write up their findings.
Research Methods for Postgraduates by 
The Sage Dictionary of Social Research Methods by 
Research methodology : a step-by-step guide for beginners by 
Research Methods in Social Work by 
Research Methods for Social Work by 