ESTRADA, Mary Joy; GUMBAN, Joey. School Heads’ Competence, Teachers’ Performance in the Light of Philippine Professional Standards for Teachers, and Students’ Academic Performance. Technium Sustainability, [S. l.], v. 6, p. 38–55, 2024. DOI: 10.47577/sustainability.v6i.11173. Disponível em: https://techniumscience.com/index.php/sustainability/article/view/11173. Acesso em: 17 apr. 2026.