Maksum A-, PASARIBU D-, LUBIS AF, BUKIT R-. DOES BANK INDONESIA CERTIFICATE (SBI) AND EXCHANGE RATE AFFECT SYSTEMATIC RISK (BETA) ? (PROOF OF VALUE OF FIRM’S THEORY ON INDONESIA BANKING ISSUER). ECOFORUM [Internet]. 2019 Jan. 30 [cited 2025 Nov. 22];8(1). Available from: https://ecoforumjournal.ro/index.php/eco/article/view/2486