DM NO. 728, S. 2022. 2022 OPLAN BALIK ESKWELA (OBE) TICKETING SYSTEM ONLINE TRAINING Posted on August 4, 2022 by DepEd Mandaluyong Leave a comment DM NO. 728, S. 2022. 2022 OPLAN BALIK ESKWELA (OBE) TICKETING SYSTEM ONLINE TRAINING Memorandum Numbered