Mardawiyah Daryanto, Wiwiek, and Sudarmawan Samidi. “Measuring the Financial Performance of Enterprises Under Ministry of Energy and Mineral Resources (EMR) an Indonesia Experience”. International Journal of Engineering and Technology, vol. 7, no. 3.21, Aug. 2018, pp. 16-23, https://doi.org/10.14419/ijet.v7i3.21.17086.