MARK J. BONICA; CHRISTOPHER MAYHUGH; MARK D. MELLOTT. Learned the Hard Way: A Model of Executive Leadership Competencies. Global Journal of Management and Business Research, [S. l.], v. 20, n. A12, p. 47–59, 2020. Disponível em: https://journalofbusiness.org/index.php/GJMBR/article/view/3194. Acesso em: 4 may. 2024.