Mitchell, Mark L.
Research design explained
Wadsworth and Cengage Learning, 2013
Buku Teks
Kak, Avinash C.
Designing with objects: object-oriented design patterns explained with Stories from Harry Potter
Wiley , 2015
Buku Teks SO
Lewis, John P.
Statistics explained
Addison-Wesley, 1999
Buku Teks
Drake, W.M.
Cardiology explained
Chapman & Hal, 1997
Buku Teks
Pittenger, David J.
Behavioral research : design and analysis
McGraw-Hill, 2003
Buku Teks