Bell, Judith
Doing your research project: a guide for first time researchers in education and social science / Judith Bell
Open University Press, 1993
 Buku Teks
Weber, Max, 1864-1920
Methodology of social sciences
Transaction Publishers, 2011
 Buku Teks
Berg, Bruce L. (Bruce Lawrence), 1954-
Qualitative reseach methods for the social sciences
Allyn and Bacon, 1989
 Buku Teks
Berg, Bruce L. (Bruce Lawrence), 1954-
Qualitative research methods for the social sciences
Pearson, 2014
 Buku Teks
Bell, Judith
Doing your research project : a guide for first-time researchers
McGraw-Hill Education, 2014
 Buku Teks