Okpara, C. C. ., F. N. . Akinrinlola, and S. H. . Yakubu. “Appraising the Mediating Effect of Self-Efficacy on the Relationship Between Employee Engagement and Performance”. ADRRI Journal (Multidisciplinary), vol. 31, no. 1 (8), January 2022-March, Mar. 2022, pp. 92-111, https://journals.adrri.org/index.php/adrrij/article/view/834.