Rahmawati, N. L., and P. S. Sukmaningrum. “THE IMPACT OF SYSTEMATIC RISKS AND PERFORMANCE OF COMPANIES ON STOCK RETURNS: EVIDENCE IN ISLAMIC STOCK MARKET”. Jurnal Ekonomi Syariah Teori Dan Terapan, vol. 7, no. 3, June 2020, pp. 563-75, doi:10.20473/vol7iss20203pp563-575.