ALI PANAH, Mehrdad; POURHOSSENI, Ebrahim; MEHRDAD, Hossein. Designing and validating Principals’ Effectiveness Model in high schools. Journal of Education Experiences, [S. l.], v. 4, n. 1, p. 59–80, 2021. Disponível em: https://oiccpress.com/jee/article/view/10951. Acesso em: 23 jul. 2026.