Internal Control and Pre-fiscal Control Unit ALİ DÖNMEZ Branch Manager0 (388 ) 225 26 89adonmez@ohu.tr CELAL YEŞİLYURT Financial Services Specialist0 (388) 225 26 90cyesilyurt@ohu.tr FEYZULLAH ÇELİK Statistician0 (388)225 26 91