Abrori MH. 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. jrssem [Internet]. 2026 Jul. 28 [cited 2026 Jul. 28];5(12):13520-3. Available from: https://jrssem.publikasiindonesia.id/index.php/jrssem/article/view/1563