WASET
    S. Golmohammadi and  M. Noorian Bidgoli,  Improvement of the Q-System Using the Rock Engineering System: A Case Study of Water Conveyor Tunnel of Azad Dam.   journal   = {International Journal of Geotechnical and Geological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2023, vol. 197(5). 97 - 101
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10013105.