Leoveanu, Andy Constantin. “Local Agenda 21 and the Systemic Valences in View of Sustainable Development”. Studia Universitatis Vasile Goldiș Arad, Seria Științe Economice 24, no. 3 (September 16, 2014): 53-61. Accessed November 24, 2024. https://publicatii.uvvg.ro/index.php/studiaeconomia/article/view/267.