Kristjan Kuhi and Kati K. Kaare and Ott Koppel, Estimation of Missing or Incomplete Data in Road Performance Measurement Systems. journal = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology. September 2013, vol. 82(10). 1904 - 1910 [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/16935.