DIV MEMO NO317 s2023 – REITERATION ON THE CONDUCT OF THE 3RD QUARTER NATIONWIDE SIMULTANEOUS EARTHQUAKE DRILL (NSED) By DepEd Dagupan IT Unit posted on September 6, 2023 DIV MEMO NO317 s2023 – REITERATION ON THE CONDUCT OF THE 3RD QUARTER NATIONWIDE SIMULTANEOUS EARTHQUAKE DRILL (NSED)