Richard Pircher and  Lukas Zenk and  Hanna Risku,  Process-Oriented Learning Requirements for Employees and for Organizations.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2008, vol. 21(9). 1044 - 1048
    [viewed 19 April 2021]. Available from: https://publications.waset.org/pdf/6663.