https://www.tandfonline.com/doi/pdf/10.1080/13698230.2020.1694216?casa_token=TKZ6lo-v5ggAAAAA:lGLfHrof8mjzHHCdBbFqkgXix_7TzMZS7yzr6o3tn_hFvV-549Et69IL31q_bRoCoifEhHtysQHwOo0 2019 General Medium