WASET
    Ibtihaj Al-Siyabi,  Impact of Crises on Official Statistics: A Case Study of Environmental Statistics at Statistical Centre for the Cooperation Council for the Arab Countries of the Gulf during the COVID-19 Pandemic.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2023, vol. 200(8). 106 - 110
    [viewed 28 April 2024]. Available from: https://publications.waset.org/pdf/10013212.