1. Arhin, S.A., & Noel, E.C. (2014). Predicting Pavement Condition Index from International Roughness Index in Washington, DC (No. DDOT-RDT-14-03).
2. Research on Relationship between Riding Quality and Pavement Distress of Asphalt Pavement;Peng;Applied Mechanics and Materials,2012
3. Mulyono, A.T., Wahyudi, W., dan Sandra, P.A., 2013, Analysis of Pavement Condition Index (PCI) and Solution Alternative Of Pavement Damage Handling Due to Freight Transportation Overloading, Proceedings of the Eastern Asia Society for Transportation Studies, Vol.9, http://easts.info/online e/proceedings/vol9/index.html.
4. Yu, J., 2005, Pavement Service Life Estimation and Condition Prediction, A Dissertation of Doctorate of Philosophy in Engineering, The University of Toledo. United States.