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.], p. 1–13, 2022. Disponível em: https://journals.uol.edu.pk/afrj/article/view/1543. Acesso em: 5 jul. 2025.