1. The Origin of Wealth: Evolution, Complexity, and the Radical Remaking of Economics;Beinhocker,2007
2. A.Z.R. Langi,“Smart environments: a platform for designing connectivity in ICT-based virtual environments”, Proceedings of Artepolis 4 2012, ITB Bandung, 5-6 July 2012.
3. A.Z.R. Langi,“Generic PSV Systems and Their Engine Models”, Proceedings of ICSET 2012, ITB Bandung, 11-12 September 2012 ISBN 978-1-4673-2374-1.
4. N. Morelli,“Social Innovation and New Industrial Contexts: Can Designers“Industrialize” Socially Responsible Solutions?” Design Issues, 23(4), MIT, Boston, pp. 3-21, 2007.
5. Langi, A.Z.R., Cahyadi E., 2012. Ikhtisar Sinyal dan Sistem Linier waktu kontinu dan waktu diskrit, (1s Ed), PPTIK ITB, Bandung.