The document discusses a study that examines the influence of work culture and career development on employee performance at PT PLN (Persero) UIKSBU in Indonesia. It analyzes how work culture and career development can affect employee self-efficacy and performance. The study uses a sample of 109 employees, measuring the variables through a survey. The results found that work culture has a positive and significant influence on employee performance directly and indirectly through self-efficacy. Career development was found to positively but not significantly influence employee performance directly or indirectly through self-efficacy.