Aini, I., W. Wilopo, and T. F. Fathani. “THE CORRELATION OF LIQUEFACTION WITH EXCESS PORE WATER PRESSURE IN LANGKAT, NORTH SUMATRA”. GEOMATE Journal, vol. 26, no. 114, Feb. 2024, pp. 117-25, https://geomatejournal.com/geomate/article/view/4150.