DO MEMO NO. 434, S. 2021. ADOPTION OF THE REVISED 2021 PANUNUMPA NG LINGKOD BAYAN Posted on November 24, 2021 by DepEd Mandaluyong Leave a comment DO MEMO NO. 434, S. 2021. ADOPTION OF THE REVISED 2021 PANUNUMPA NG LINGKOD BAYAN Memorandum Numbered