UNTORO, Hamizan Azh-Zhafif; SUMARTO, Agus Herta. Analysis of the BISNIS-27 Index Movement Using the Autoregressive Integrated Moving Average (ARIMA) Method During and After the COVID-19 Pandemic. International Journal of Sustainable Applied Sciences, [S. l.], v. 4, n. 9, p. 1217–1228, 2026. DOI: 10.59890/ijsas.v4i9.68. Disponível em: https://ijsasjournal.my.id/index.php/ijsas/article/view/68. Acesso em: 3 oct. 2026.