Alfiani Umi Namiroh, Alfiani, Nuntupa Nuntupa, and Cici Widya Prasetyandari. “Analysis Of Investment Feasibility Study Using The Capital Budgeting Method At Samudra Workshop Business In Lumajang”. Ecobankers : Journal of Economy and Banking 7, no. 1 (February 28, 2026): 1–10. Accessed June 4, 2026. https://jurnal.uibbc.ac.id/index.php/EcoBankers/article/view/4030.