ASTUTI, D.; RYANDONO, M. N. H. THE DIFFERENCE OF ABNORMAL RETURNS BETWEEN BEFORE AND AFTER THE FRIDAY EFFECT IN THE INDONESIA STOCK EXCHANGE (EVENT STUDY OF CONSUMPTION SECTOR COMPANIES IN JAKARTA ISLAMIC INDEX IN 2018. Jurnal Ekonomi Syariah Teori dan Terapan, [S. l.], v. 7, n. 6, p. 1018–1024, 2020. DOI: 10.20473/vol7iss20206pp1018-1024. Disponível em: https://e-journal.unair.ac.id/JESTT/article/view/15212. Acesso em: 6 feb. 2023.