For Secondary Schools: CORRIGENDUM DIVISION LEARNING ACTION CELL (DLAC) FOR SECONDARY MATH TEACHERS DATED JUNE 5, 2018 Posted on June 14, 2018 by DepEd Mandaluyong Leave a comment 18-06-053. CORRIGENDUM DIVISION LEARNING ACTION CELL (DLAC) FOR SECONDARY MATH TEACHERS DATED JUNE 5, 2018 Memorandum Unnumbered