Maharani DN, Muzakki F, Hartati S SY, Setiyono S, Efrianto G. Pertamina’s Quasi-Monopoly : How Restrictions on Basic Fuel Imports Impact the Downstream Oil and Gas Investment . JLPH [Internet]. 2025 Dec. 19 [cited 2025 Dec. 22];6(2):1119-33. Available from: https://dinastires.org/JLPH/article/view/2726