Hans Wilhelm Alfen
- Nachhaltige interne Flächensteuerung in Hochschulen. Dans: (2014): Nachhaltigkeit und Innovation in Baubetrieb und Tunnelbau. Universität der Bundeswehr München / Verlag Dr. Hut, Munich (Allemagne), ISBN 978-3843914185. (2014):
- Fine‐tuning the value and cost of capital of risky PPP infrastructure projects. Dans: Engineering, Construction and Architectural Management, v. 20, n. 4 (juin 2013). (2013):
- Identifying macro-environmental critical success factors and key areas for improvement to promote public-private partnerships in infrastructure. Indonesia's perspective. Dans: Engineering, Construction and Architectural Management, v. 21, n. 4 (juillet 2014). (2014):
- Predicting likelihood of cost overrun in educational projects. Dans: Engineering, Construction and Architectural Management, v. 24, n. 1 (janvier 2017). (2017):
- Government-led critical success factors in PPP infrastructure development. Dans: Built Environment Project and Asset Management, v. 5, n. 1 (février 2015). (2015):