Doing and writing qualitative research 
Holliday, Adrian. 
 - 3rd ed. 
 -  Sage,  2016 
 - xiii, 200 p 
978-1-47395327-7
Quantitative research.
GS 001.42 H739 2016
                        978-1-47395327-7
Quantitative research.
GS 001.42 H739 2016