YOGA, I.; YUDIARTA, I. G. A. Grey Forecasting of Inbound Tourism to Bali and Financial Loses from the COVID-19 . International Journal of Grey Systems, [S. l.], v. 1, n. 1, p. 48–57, 2021. DOI: 10.52812/ijgs.17. Disponível em: http://publish.thescienceinsight.com/index.php/ijgs/article/view/17. Acesso em: 3 may. 2024.