LIWAG, Marie Grace Santa; LO, Nomelita. Classroom Observation Practices of School Leaders: Basis for Enhancing the Performance Management and Evaluation System (PMES) Implementation. International Journal of Education, Research, and Innovation Perspectives, Philippines, v. 2, n. 3, p. 1623–1680, 2026. DOI: 10.5281/zenodo.19221755. Disponível em: https://ijerip.erio.org.ph/index.php/articles/article/view/321. Acesso em: 5 apr. 2026.