Local Agenda 21 and the Systemic Valences in View of Sustainable Development. Studia Universitatis Vasile Goldiș Arad, Seria Științe Economice, [S. l.], v. 24, n. 3, p. 53–61, 2014. Disponível em: https://publicatii.uvvg.ro/index.php/studiaeconomia/article/view/267. Acesso em: 17 apr. 2026.