Erwin Erwin, and Oyon Suharyono. “EFFECT OF RETURN ON INVESTMENT (ROI) ON STOCK PRICE ( Study At Pt Astra International 2013-2018 )”. Jurnal Visi Manajemen, vol. 6, no. 3, Sept. 2020, pp. 203-18, doi:10.56910/jvm.v6i3.319.