In checking the reliability of an author, which one do you NOT have to check?
A: Does the author have a PhD?
B: Has the author been involved in research projects?
C: Has the author got married?
D: Which university does the author currently work in?
A: Does the author have a PhD?
B: Has the author been involved in research projects?
C: Has the author got married?
D: Which university does the author currently work in?
