Bibliografia

Principal

• Privitera, Gregory J. (2016) Research Methods for the Behavioral Sciences, SAGE, 2th Edition Gravetter, Frederick J. & Forzano, Lori-Ann B. (2015) Research Methods for the Behavioral Sciences, Cengage Learning, 5th Edition :

Secundária

• Thomas, Gary (2016) How to do your case study, SAGE, 2th Edition: