LABRADA, Philan D. Instructional Supervision and Performance Appraisal of School Heads in Relation to Teachers’ Professional Growth. International Journal of Educational Innovations and Research, [S. l.], v. 2, n. 2, p. 15–19, 2026. DOI: 10.63671/ijeir.v2i2.54. Disponível em: https://www.shimej.com/index.php/ijeir/article/view/54. Acesso em: 13 jun. 2026.