Damma Setiawan, R. R. “The Effect Of Self-Efficacy, Training And Competence On Employee Performance With Work Motivation As A Mediator (Empirical Study on Telecom System Sub-Sector Companies)”. Primanomics : Jurnal Ekonomi & Bisnis, vol. 24, no. 2, May 2026, pp. 11-27, doi:10.31253/pe.v24i2.4458.