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Fortuna BI, Sucita IK, Rizal RS. Analisis Waktu dan Biaya Perbandingan Erection Box Girder Menggunakan Metode Crane dan Launcher. JIRS [Internet]. 2021 Oct. 11 [cited 2026 Jul. 19];18(2):100-12. Available from: http://ejournal2.pnp.ac.id/index.php/jirs/article/view/627