KRAJA, Ylvije Borici; OSMANI, Elez. IMPORTANCE OF EXTERNAL AND INTERNAL ENVIRONMENT IN CREATION OF COMPETITIVE ADVANTAGE TO SMEs. (CASE OF SMEs, IN THE NORTHERN REGION OF ALBANIA). European Scientific Journal, ESJ, [S. l.], v. 11, n. 13, 2015. Disponível em: https://last.eujournal.org/index.php/esj/article/view/5641. Acesso em: 11 feb. 2026.