SAFITRI, Dian. Effectiveness of Financial Risk Management Implementation through Derivative Instruments at PT. Telekomunikasi Indonesia. Journal of Principles Management and Business, [S. l.], v. 5, n. 01, p. 26–37, 2026. DOI: 10.55657/jpmb.v5i01.287. Disponível em: https://journal.scimadly.com/index.php/jpmb/article/view/287. Acesso em: 31 may. 2026.