https://www.counseling.org/Resources/Library/ERIC%20Digests/94-18.pdf
https://www.nolo.com/legal-encyclopedia/employee-evaluations-how-to-conduct-29547.html
https://www.wrike.com/blog/team-building-games/
https://www.insidengo.org/blog/supervisors-toolbox-resources-help-managers-manage
https://www.forbes.com/sites/jackzenger/2017/02/16/the-6-vital-elements-of-effective-performance-management-systems/#2f0d5059618e
https://www.youtube.com/watch?v=j_F7ghGTxGY