Hakam, Dzikri Firmansyah, and Ayodele O. Asekomeh. “Gas Monetisation Intricacies: Evidence from Indonesia”. International Journal of Energy Economics and Policy, vol. 8, no. 2, Mar. 2018, pp. 174-81, https://econjournals.com.tr/index.php/ijeep/article/view/6005.