BAHRI LUBIS, S. Analyzing the Value Chain to Increase the Competitive Advantage of Geothermal Energy Businesses . Income Journal: Accounting, Management and Economic Research, [S. l.], v. 2, n. 3, p. 210–232, 2024. DOI: 10.61911/incomejournal.v2i3.56. Disponível em: http://income-journal.com/index.php/income/article/view/56. Acesso em: 8 dec. 2025.