Risman, Sundari Rahman, Jumardi, and Fitri. “Soft Skills and Self-Efficacy As Predictors of Employee Productivity”. BJRM (Bongaya Journal of Research in Management) 9, no. 1 (December 9, 2025): 130–138. Accessed December 12, 2025. https://ojs.stiem-bongaya.ac.id/BJRM/article/view/882.