Goulding, Christina
Grounded theory : a practical guide for management, business and market researchers
Sage, 2002
 Buku Teks
Glaser, Barney G.
The Discovery of grounded theory: strategies for qualitative research
Aldine, 1967
 Buku Teks
Howard, Keith
Managing management research
MCB University Press, 1990
 Buku Referensi
Chorafas, Dimitris N.
Operation research for industrial management
Reinhold Publishing Corporation, 1958
 Buku Teks
Operations research for management
edited by Joseph F. McCloskey, Florence N. Trefethen
John Hopkins Press, 1954
 Buku Teks