Management Support, Competence, Organizational Culture and Professional Ethics on Internal Audit Effectiveness

The formulation of the problem in this research is how Effect Management Support, Competence, Organizational Culture and Professional Ethics on Effectiveness Internal Audit (Case Study State-Owned Enterprises (BUMN) Palembang City). type used associative research. data are primary data. population study internal audit City as many 32 respondents. Data collection techniques using interviews questionnaires. analysis method quantitative analysis. results show that management support, competence, organizational culture professional ethics significantly influence effectiveness audit.