EMMANUEL ERASTUS YAMOAH, PHD (CANDIDATE); STEPHEN ARTHUR, MPHIL. THE THREE LEADERSHIP MODELS: IMPLICATIONS FOR 21ST CENTURY LEADERSHIP. Singaporean Journal of Business Economics and Management, [S. l.], v. 2, n. (10), p. 4–14, 2013. Disponível em: https://singaporeanjbem.com/index.php/SJBEM/article/view/215. Acesso em: 18 apr. 2026.