DA NO. 049, S. 2022. MAESTRA RESEARCH CONGRESS 2022 “TEACHING BEYOND BORDERS TOWARDS SUSTAINABLE DEVELOPMENT IN EDUCATION” Posted on April 11, 2022 by DepEd Mandaluyong Leave a comment DA NO. 049, S. 2022. MAESTRA RESEARCH CONGRESS 2022 “TEACHING BEYOND BORDERS TOWARDS SUSTAINABLE DEVELOPMENT IN EDUCATION” Advisory