SDM No. 243, s. 2023 – Reiteration on the Conduct of 2nd Quarter Nationwide Simultaneous Earthquake Drill (NSED) 6 Jun,2023 DO SCMLeave a comment SDM-No.-243-s.-2023-Reiteration-on-the-Conduct-of-2nd-Quarter-Nationwide-Simultaneous-Earthquake-Drill-NSED.pdf