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.