Ariansyah K, Nuryakin C. Competition and Mobile Network Operator’s Investment Relationship: A Firm Level Empirical Evidence for Developing Countries. JTDE [Internet]. 2019 Dec. 31 [cited 2024 Jul. 4];7(4):17-32. Available from: https://mail.jtde.telsoc.org/index.php/jtde/article/view/205