Malhotra, Naro
Riset pemasaran : pendekatan terapan = Marketing research: an applied orientation
Indeks, 2010
 Buku Teks SO
Malhotra, Naresh K.
Riset pemasaran : pendekatan terapan = Marketing research : an applied orientation
Indeks, 2009
 Buku Teks SO
Frank, Ronald E.
Quantitative techniques in marketing analysis : text and readings
Richard D. Irwin, 1962
 Buku Teks SO
Future of social work research
National Association of Social of social Workers, 1980
 Buku Teks
Future of social work research
National Association of Social of social Workers, 1980
 Buku Teks