Luthfan, Azharan, and Farida Rachmawati. 2026. “A Quantitative Analysis of Cost, Time, and Construction Risk of Underground Construction Methods for A Lifting Pump Station in A Constrained Site: A Case Study of the Jakarta Sewerage Development Project (JSDP) Zone 1 Package 1”. Journal Research of Social Science, Economics, and Management 6 (1):684-98. https://doi.org/10.59141/jrssem.v6i1.1645.