DO MEMO NO. 273, S.2021. CORRIGENDUM TO RM NO. 495, S.2021, RE: E-COMMERCE CURRICULUM Posted on September 14, 2021 by DepEd Mandaluyong Leave a comment DO MEMO NO. 273, S.2021. CORRIGENDUM TO RM NO. 495, S.2021, RE: E-COMMERCE CURRICULUM Memorandum Numbered