Links to SAGE readings have been provided, non-SAGE readings are suggested and you may be able to find these via your university’s library.
Janice Morse on some of the under-recognized challenges of mixing different qualitative strategies in the same design:
Denzin’s reflections on mixed methods reviews the history of the debate. O’Cathain et al’s paper is an assessment concluding that most mixed methods studies do not manage to publish work that draws on all strands - the different methods are reported separately. Turnbull et al is and Hunt et al are examples of a mixed method studies which report findings from the different sources in one paper.
O'Cathain A., Murphy, E. and Nicholl, J. (2008) ‘The quality of mixed methods studies in health services research’, The Journal of Health Services Research & Policy,13(2): 92–8. doi: 10.1258/jhsrp.2007.007074.
Turnbul,l J., Prichard, J., Halford, S., Pope, C. and Salisbury, C. (2012) ‘Reconfiguring the emergency and urgent care workforce: mixed methods study of skills and the everyday work of non-clinical call-handlers in the NHS’, The Journal of Health Services Research & Policy, 17(4): 233–40. doi: 10.1258/jhsrp.2012.011141.
Hunt, K., Gray, C. M., Maclean, A., Smillie, S., Bunn, C. and Wyke, S. (2014) ‘Do weight management programmes delivered at professional football clubs attract and engage high risk men? A mixed-methods study’, BMC Public Health, 14(1): 50.