PAVLAKOU, E. Psychological Capital and Ethical Leadership as Determinants of Sustainable Competitive Advantage in Small and Medium-Sized Enterprises. Advances in Social Sciences and Management, [S. l.], v. 4, n. 02, p. 69–84, 2026. DOI: 10.63002/assm.402.1398. Disponível em: https://hspublishing.org/ASSM/article/view/1398. Acesso em: 24 mar. 2026.