CALL FOR WRITERS FOR THE DEVELOPMENT OF PERFORMANCE TASKS FOR ASSESSING 21ST CENTURY SKILLS IN KEY STAGE 2 (PHASE 1) Posted on June 11, 2021 by DepEd Mandaluyong Leave a comment 21-06-040. CALL FOR WRITERS FOR THE DEVELOPMENT OF PERFORMANCE TASKS FOR ASSESSING 21ST CENTURY SKILLS IN KEY STAGE 2 (PHASE 1) Memorandum Unnumbered