ABRORI, Muhammad Hizbullah. Techno-Economic Analysis of Decisions to Upgrade Gas Turbine Blade Models: A Comparative Case Study of the Investment Value of Upgrading The Row 1 Blades of a 130 MW Gas Turbine. Journal Research of Social Science, Economics, and Management, [S. l.], v. 5, n. 12, p. 13520–13530, 2026. DOI: 10.59141/jrssem.v5i12.1563. Disponível em: https://jrssem.publikasiindonesia.id/index.php/jrssem/article/view/1563. Acesso em: 28 jul. 2026.