Argyriades, Demetrios, and Pan Suk Kim. “Fragility – Sustainability: Two Conflicting Major Challenges of This Twenty-First Century”. Mercados y Negocios , no. 39 (January 16, 2019): 31–64. Accessed July 27, 2024. http://148.202.248.171/meryneg/index.php/MYN/article/view/7335.