Umam, Mukhamad Faeshol, Farhan Muhammad, Daniel W Adityatama, and Dorman P Purba. “Tantangan Pengembangan Energi Panas Bumi Dalam Perannya Terhadap Ketahanan Energi Di Indonesia”. Swara Patra : Majalah Ilmiah PPSDM Migas 8, no. 3 (September 1, 2018): 48–65. Accessed May 17, 2024. http://ejurnal.ppsdmmigas.esdm.go.id/sp/index.php/swarapatra/article/view/6.