Luthfan, A. and Rachmawati, F. 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 (Aug. 2026), 684–698. DOI:https://doi.org/10.59141/jrssem.v6i1.1645.