Thurow, Lester C.

Wadsworth, 1970

 Buku Teks

edited by Kristian Bolin, Bojrn Lindgren, Michael Grossman, Dorte Gyrd-Hansen, Tor Iversen, Robert Kaestner, Jody L. Sindelar

Emerald, 2017

 eBooks

Jakarta : Human Capital, 2005,

 Majalah, Jurnal, Buletin

Giulia Mennillo, Thomas Schlenzig, Elmar Friedrich, editors

[Springer, Springer], 2012

 eBooks

Bugra Ozen, Salia Shabazi, Arash Mousavi, Cor M. Semeins, Tamer Tuzuner, Elif Bahar Tuna Ince, Martine CM van Gemert Schriks, AJP van Strijp, Astrid D, Bakker

Journal of Dentistry Indonesia, 2018

 Artikel Jurnal