THE EFFECT OF GOLD PRICE CHANGES, USD IDR EXCHANGE RATE CHANGES AND BANK INDONESIA (BI) RATE ON JAKARTA COMPOSITE INDEX (JCI)’S RETURN AND JAKARTA ISLAMIC INDEX (JII)’S RETURN. jmk 2018, 20 (1), 45-52. https://doi.org/10.9744/jmk.20.1.45-52.