Alim Kadir, N., and D. Firmansyah Hakam. “Discounted Cash Flow Analysis and Real Options Valuation: A Case Study of Downstream Nickel Processing Investments in Indonesia”. Eduvest - Journal of Universal Studies, vol. 6, no. 5, May 2026, pp. 6188-07, doi:10.59188/eduvest.v6i5.53135.