Introduction to social research: Quantitative and qualitative approaches. [No authors listed] GSID: DPwWB_ykVdkJ
Business research: A practical guide for undergraduate and postgraduate students. Collis J, Hussey R. J Collis, R Hussey - 2013 - books.google.com GSID: YHjpAoHPWacJ
Case study ecmple. [No authors listed] K Hafiz - The qualitative report, 2008 - academia.edu GSID: oxuHBFVrym0J