Analisis Investasi Rumah Tinggal 2 Lantai Proyek Berdasarkan Metode NPV, IRR, BCR dan Cash Flow. Journal of Science and Engineering, [S. l.], v. 2, n. 1, p. 30–36, 2026. Disponível em: https://journal.ajbnews.com/index.php/prothon/article/view/307. Acesso em: 13 may. 2026.