MASHOENE, M.; DOORASAMY, M. The effect of COVID-19 in estimating the South African real spot-rate curve . Economics, Management and Sustainability, [S. l.], v. 8, n. 2, p. 53–68, 2023. DOI: 10.14254/jems.2023.8-2.5. Disponível em: https://jems.sciview.net/index.php/jems/article/view/198. Acesso em: 7 jul. 2026.