Luthfan, Azharan, and Farida Rachmawati. “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, vol. 6, no. 1, Aug. 2026, pp. 684-98, doi:10.59141/jrssem.v6i1.1645.