DM NO. 641, S. 2023. DISSEMINATION OF CITY RESOLUTION NO. 3253, S. 2023 ENTITLED RESOLUTION URGING THE SINGING OF THE MANDALUYONG MARCH Posted on June 23, 2023 by DepEd Mandaluyong Leave a comment DM NO. 641, S. 2023. DISSEMINATION OF CITY RESOLUTION NO. 3253, S. 2023 ENTITLED RESOLUTION URGING THE SINGING OF THE MANDALUYONG MARCH Memorandum Numbered