ADMIN, O. COVID-19 and index returns of sub-continent: An exploration via Markov-Switching model: Aamir Azeem and Muhammad Zubair Akhtar. Asian Finance Research Journal (AFRJ), [S. l.], v. 3, n. 1, p. 1–13, 2021. Disponível em: https://journals.uol.edu.pk/afrj/article/view/913. Acesso em: 6 jul. 2025.