Erwin Erwin, Oyon Suharyono. EFFECT OF RETURN ON INVESTMENT (ROI) ON STOCK PRICE ( Study At Pt Astra International 2013-2018 ). JVM [Internet]. 2020 Sep. 20 [cited 2025 Apr. 4];6(3):203-18. Available from: https://stiepari.org/index.php/jvm/article/view/319