The Online advertising playbook : proven strategies and tested tactics from the advertising research foundation
by Joseph Plummer [and others]
John Wiley & Sons, 2007
 Buku Teks
Handbook of research on student engagement
Sandra L. Christenson, Amy L. Reschly, Cathy Wylie, editors
[Springer, ], 2012
 eBooks
The going global playbook
Google Inc., 2016
 Buku Teks
Amy Yayuk Sri Rahayu
Change in student mindset toward entrepreneur an action research
2013
 Artikel Jurnal
Sanders, Lalage D.
Discovering research methods in psychology : a student's guide
BPS Blackwell, 2010
 Buku Teks