FOR PUBLIC ELEMENTARY AND SECONDARY SCHOOLS, SCHOOL LIBRARY TEACHER IN-CHARGE: CHANGE OF DATE ON THE UNNUMBERED MEMORANDUM ON RETOOLING KOHA ILS LIBRARY MANAGEMENT AND SERVICES INNOVATION SEMINAR-WORKSHOP Posted on July 15, 2019 by DepEd Mandaluyong Leave a comment AD19-163. CHANGE OF DATE ON THE UNNUMBERED MEMORANDUM ON RETOOLING KOHA ILS LIBRARY MANAGEMENT AND SERVICES INNOVATION SEMINAR-WORKSHOP Advisory