A bibliometric analysis of research on principal leadership and student achievement. New Trends and Issues Proceedings on Humanities and Social Sciences, [S. l.], v. 6, n. 7, p. 55–61, 2019. DOI: 10.18844/prosoc.v6i7.4512. Disponível em: https://un-pub.eu/ojs/index.php/pntsbs/article/view/4512. Acesso em: 22 nov. 2024.