Harahap, D. H. L., and T. Pogo. “The Influence of Competence and Self-Efficacy on the Professionalism of Widyaiswara With Work Motivation As a Mediating Variable (Case Study at the Jakarta Religious Education and Training Center):”. Indonesian Journal of Business Analytics, vol. 3, no. 4, Aug. 2023, pp. 1141-70, doi:10.55927/ijba.v3i4.5233.