Pittenger, David J.
Behavioral research design and analysis
2003
 Multimedia
Sage handbook of mixed methods in social & behavioral research
Abbas Tashakkori, Charles Teddlie
SAGE Publications, 2010
 Buku Teks SO
Sommer, Robert
Behavioral research: Tools and techniques
New York, 2002
 Buku Teks
Pittenger, David J.
Behavioral research : design and analysis
McGraw-Hill, 2003
 Buku Teks SO
Manly, Bryan F. J
The Design and Analysis of Research Studies
Cambridge University Press, 1992
 eBooks