FOR PUBLIC/PRIVATE ELEMENTARY AND SECONDARY SCHOOLS: AN INVITATION FROM PHILIPPINE PEDAGOGICAL INSTITUTE TO ATTEND NATIONAL AND ONE INTERNATIONAL SEMINAR WORKSHOP Posted on January 29, 2019 by DepEd Mandaluyong Leave a comment 19-01-107. AN INVITATION FROM PHILIPPINE PEDAGOGICAL INSTITUTE TO ATTEND NATIONAL AND ONE INTERNATIONAL SEMINAR WORKSHOP Memorandum Unnumbered