FOR PUBLIC/PRIVATE ELEMENTARY AND SECONDARY SCHOOLS: 1ST NATIONAL CONVENTION ON LESSON STUDY OF THE UNIVERSITY OF THE PHILIPPINES NATIONAL INSTITUTE FOR SCIENCE AND MATHEMATICS EDUCATION DEVELOPMENT Posted on March 20, 2019 by DepEd Mandaluyong Leave a comment AD19-79. 1ST NATIONAL CONVENTION ON LESSON STUDY OF THE UNIVERSITY OF THE PHILIPPINES NATIONAL INSTITUTE FOR SCIENCE AND MATHEMATICS EDUCATION DEVELOPMENT Advisory