S Mulyanto B, Dewanto O, Rizky S. Determining Layer Oil Shale as New Alternative Energy Sources Using Core Analysis and Well Log Method. IJET [Internet]. 2018 Dec. 9 [cited 2024 Aug. 17];7(4.36):941-9. Available from: https://sciencepubco.com/index.php/ijet/article/view/24925