SURATMAN, T. S.; IBRAHIM, T. The confidence interval analysis for stocks with “Unusual Market Activity”. The Contrarian : Finance, Accounting, and Business Research, [S. l.], v. 2, n. 2, p. 41–50, 2023. DOI: 10.58784/cfabr.26. Disponível em: http://jurnal.ywnr.org/index.php/cfabr/article/view/26. Acesso em: 28 oct. 2025.