SAKALAUSKAS, Leonidas. Sustainability models and indicators. Technological and Economic Development of Economy, [S. l.], v. 16, n. 4, p. 567–577, 2010. DOI: 10.3846/tede.2010.35. Disponível em: https://journals.vilniustech.lt/index.php/TEDE/article/view/5904. Acesso em: 15 may. 2025.