Islamic moral life and threats to it
Artikel Jurnal
Abdullah Gymnastiar
Meraih bening hati dengan manajemen qolbu
Gema Insani Press, 2002
Buku Teks
Kurtines, William M.
Moralitas, perilaku moral dan perkembangan moral
UI-Press, 1992
Buku Teks
Human Development Report 1993
Oxford University Press, 1993
Buku Teks
Weston, Michael
Philosophy, literature and the human good
Routledge , 2001
Buku Teks