MANOWATTANAKUL, R.; BOONVORACHOTE, T. Volatility Estimation of Underlying Assets for Valuing Low Liquidity Call Options. Kasetsart Journal of Social Sciences, [S. l.], v. 36, n. 2, p. 244–257, 2015. Disponível em: https://so04.tci-thaijo.org/index.php/kjss/article/view/243222. Acesso em: 19 may. 2024.