M. Becker, R. Lacerda, and M. V. A. de Lima, “Investment analysis and sustainable finance: A bibliometric study of real options as a financial tool for the viability of geothermal renewable energy”, Editora, Aug. 2023, Accessed: Oct. 07, 2025. [Online]. Available: https://sevenpubl.com.br/editora/article/view/2372