TUMANOV, Assylkhan; WANG, Wei. Currency Risk: Possibility of Its Evaluation and Hedging in Modern Conditions. American Scientific Research Journal for Engineering, Technology, and Sciences, Jordan, v. 79, n. 1, p. 113–131, 2021. Disponível em: https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/6843. Acesso em: 21 sep. 2025.