DO MEMO NO. 51, S. 2020 UPDATES ON THE RESULTS-BASED PERFORMANCE MANAGEMENT SYSTEM FOR SCHOOL YEARS 2019-2020 AND 2020-2021 Posted on July 3, 2020 by JD Mercado Leave a comment DO MEMO NO. 51, S. 2020 UPDATES ON THE RESULTS-BASED PERFORMANCE MANAGEMENT SYSTEM FOR SCHOOL YEARS 2019-2020 AND 2020-2021 Memorandum Numbered