Doing a Systematic Review: A Student's Guide
Second Edition
Chapter 11. Reviewing Qualitative Evidence
Have a look at the various software which can assist you in your studies.
NVIVO (a qualitative and mixed methods research software)
www.qsrinternational.com/product
Link to EPPI-Reviewer 4
http://eppi.ioe.ac.uk/cms/Default.aspx?alias=eppi.ioe.ac.uk/cms/er4