Santoso, Agoes, Muhammad Badrus Zaman, and Arrijal Yudha Prawira. 2025. “Techno-Economic Analysis of Rotor Flettner in Container Ship 4000DWT”. International Journal of Marine Engineering Innovation and Research 1 (3):189-95. https://doi.org/10.12962/j25481479.v1i3.6207.