Faisal, A., A. Hasanah, and A. M. Adam. “THE FUNDAMENTAL EFFECT OF COMPANY AND CAPITAL MARKET REACTION BEFOR AND DURING THE COVID-19 PANDEMIC ON STOCK RETURNS (CASE STUDY OF THE JAKARTA ISLAMIC INDEX 2016-2020 PERIOD)”. Jurnal Ekonomi Syariah Teori Dan Terapan, vol. 8, no. 6, Dec. 2021, pp. 771-84, doi:10.20473/vol8iss20216pp771-784.