Hasan Atak,  Big Five Traits and Loneliness among Turkish Emerging Adults.   journal   = {International Journal of Psychological and Behavioral Sciences}, [online]. World Academy of Science, Engineering and Technology.
    July 2009, vol. 31(7). 1494 - 1498
    [viewed 27 January 2020]. Available from: https://publications.waset.org/pdf/5830.