YASAR KOSECEYDA AKTANAktan, Ceyda2024-07-092024-07-092023-02-2710.30855/gjeb.2023.9.1.003https://acikarsiv.thk.edu.tr/handle/123456789/1573Estimating the systematic risks of Turkish airline companies listed in the BIST-100 Indexjournal-article