WASET
    Pat Nelson,  Changes in Student Definition of De-Escalation in Professional Peace Officer Education.   journal   = {International Journal of Law and Political Sciences}, [online]. World Academy of Science, Engineering and Technology.
    April 2019, vol. 149(5). 743 - 748
    [viewed 05 May 2024]. Available from: https://publications.waset.org/pdf/10010428.