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  1. A Factor Facilitating Mental Illness

    Article • Academia Letters, June 2022, Academia.edu

    Mr. Bertil Engelbert

  2. Get a revealing look behind the nice attitudes of alluring leaders

    Article • September 2018, IntechOpen

    Mr. Bertil Engelbert

  3. How do you find a productive leader or manager?

    Article • SAGE Open, April 2016, SAGE Publications

    Mr. Bertil Engelbert