Mahmoud Tarek Mohamed Hammad,  Understanding of Heritage Values within University Education Systems in the Kingdom of Saudi Arabia.   journal   = {International Journal of Architectural and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2020, vol. 167(11). 396 - 405
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10011596.