Prof. Dr. Edi Istiyono, M.Si. was entrusted as an external examiner for the Dissertation Result Examination of a student named Wartoni. Also present at this event were Prof. Dr. Awaluddin Tjalla, M. Pd, Prof. Dr. Wardani Rahayu, M. Si, Dr. Riyadi Joyokusumo, M. T, Dr. Ira Sarifah, M. Pd, and Prof. Dr. Muchlas Suseni, M.Pd.