Tatang Muttaqin
Why do children stay out of school in Indonesia?
Badan Perencanaan Pembangunan Nasional (BAPPENAS), 2017
 Artikel Jurnal
Philosophical reflections on the school equalization policy Kim Sang-bong
 Artikel Jurnal
Why do librarians want to be animals? Will Mansley
 Artikel Jurnal
Duhigg, Charles
The power of habit: why we do what we do, and how to change
Heinemann, 2012
 Buku Teks
Hayles, V. Robert
The diversity directive: why some initiatives fail & what to do about it
McGraw-Hill , 1997
 Buku Teks