For Public Elementary and Secondary Schools: Corrigendum to Division Memorandum dated September 13, 2017 re: Five- day Enhancement Training Course on Arabic Reading and Culture Awareness( AERCA) Posted on September 14, 2017 by DepEd Mandaluyong Leave a comment 17-09-079. Corrigendum to Division Memorandum dated September 13, 2017 re: Five- day Enhancement Training Course on Arabic Reading and Culture Awareness( AERCA) Memorandum Unnumbered