Prof. Irwan Taufiq Ritonga, S.E., M.Bus., Ph.D., CA.
                    
                                                    COMMERCE, MANAGEMENT, TOURISM AND SERVICES/ PUBLIC SECTOR  ACCOUNTING/ ACCOUNTING, AUDITING AND ACCOUNTABILITY
                                             
                    
                    
                        
                        Faculty of Economics and Business                    
                    
                        
                        Faculty of Economics Universitas Gadjah Mada Bulak                    
                    
                        
                        https://acadstaff.ugm.ac.id/MTk3NDA3MjQxOTk5MDMxMDAy                    
                    
                        
                        irwanritonga@ugm.ac.id