HERZHOFF, T.; TEICHERT, T. Leadership Sentiment and Price Fluctuations : based on the example of crude oil prices and sentiment of Oil and Gas CEOs. Science International Empirical Review, [S. l.], v. 1, n. 2, p. 1–36, 2021. DOI: 10.52514/sier.v1i2.7. Disponível em: https://mail.sier-journal.com/index.php/SIER/article/view/7. Acesso em: 28 oct. 2025.