SINAULAN, Carey; KASINGKU, Frisky. The Day of the Week Effect and LQ45 Stock Return During and After COVID-19. Golden Ratio of Auditing Research, [S. l.], v. 5, n. 2, p. 47–57, 2025. DOI: 10.52970/grar.v5i2.1367. Disponível em: https://www.goldenratio.id/index.php/grar/article/view/1367. Acesso em: 18 apr. 2026.