Handayani, Dian, and Eko Nur Surachman. 2017. “Sukuk Negara As Financing Strategy for Renewable Energy Infrastructure: Case Study of Muara Laboh Geothermal Power Project”. International Journal of Energy Economics and Policy 7 (4):115-25. https://econjournals.com/index.php/ijeep/article/view/5162.