Testing for Volatility Persistence in Wheat Prices: Is Idiosyncratic Source Matters?. Global Journal of Management and Business Research, [S. l.], v. 19, n. G2, p. 29–37, 2019. Disponível em: https://journalofbusiness.org/index.php/GJMBR/article/view/2784. Acesso em: 19 feb. 2026.