WASET
    M. A. Sanda and  B. Johansson and  J. Johansson,  Conceptualization of the Attractive Work Environment and Organizational Activity for Humans in Future Deep Mines.   journal   = {International Journal of Humanities and Social Sciences}, [online]. World Academy of Science, Engineering and Technology.
    February 2011, vol. 50(2). 256 - 262
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/2313.