The Effect of Organizational Learning on Improving Organizational Effectiveness: The Mediating Role of Operational Flexibility. Humanities and Educational Sciences Journal, [S. l.], n. 45, p. 897–914, 2025. DOI: 10.55074/hesj.vi45.1361. Disponível em: https://hesj.org/ojs/index.php/hesj/article/view/1361. Acesso em: 30 may. 2026.