October 7, 2011 DA 507, s. 2011 – 23rd Young Men’s Christian Association (YMCA) of Manila National Assembly of High School Students and 16th YMCA National High School Club Advisers Seminar DA_s2011_507
October 7, 2011 DA 509, s. 2011 – Change and Additional Information to DepEd Advisory no. 482, s. 2011 (Third National Biotechnology Education Conference for Teachers) DA_s2011_509
October 6, 2011 DA 499, s. 2011 – Center for Human Research and Development Foundation (CHRDF), Inc. Schedule of Seminars-Workshops for November 2011 DA_s2011_499
October 6, 2011 DA 500, s. 2011 – Center for Human Research and Development Foundation (CHRDF), Inc. Schedule of Seminars-Workshops from October to December 2011 DA_s2011_500