Mulyati, E. and Amelia, D. 2025. The Effect of the Number of Work Shifts for Erection Box Girder Using Launching Gantry on the Cost and Implementation Time in the Medan-Binjai II Railway Line Project. BANDAR: JOURNAL OF CIVIL ENGINEERING. 7, 2 (Nov. 2025), 153–161. DOI:https://doi.org/10.31605/bjce.v7i2.5546.