DO MEMO NO. 445, S. 2021. SDO MANDALUYONG PILOT IMPLEMENTATION OF LIMITED FACE-TO-FACE CLASSES Posted on November 29, 2021 by DepEd Mandaluyong Leave a comment DO MEMO NO. 445, S. 2021. SDO MANDALUYONG PILOT IMPLEMENTATION OF LIMITED FACE-TO-FACE CLASSES Memorandum Numbered